Abstract

The Odyssey Travel website revolutionizes the way individuals plan and experience
their journeys, providing a comprehensive platform that caters to all travel needs. Em-
bracing the essence of convenience and personalization, Odyssey Travel offers a diverse
range of travel packages, allowing users to effortlessly explore destinations and select
their preferred accommodations and transportation options. The platform’s intuitive
interface ensures seamless navigation, empowering users to customize their travel plans
to match their unique preferences. By bridging the gap between travelers and local ser-
vice providers, Odyssey Travel promotes cultural exchange and supports local economies.
The website not only simplifies the travel booking process but also enhances the overall
travel experience by offering tailored recommendations and insights. With a commit-
ment to customer satisfaction and innovation, Odyssey Travel is the ultimate companion
for anyone looking to embark on unforgettable adventures.

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Contents
1 Overview 5

2 Introduction 6
2.1 Purpose . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
2.2 Scope . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
2.3 Organization . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
2.4 References . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

3 Glossary 8
3.1 Web Framework . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
3.2 Supported Devices . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
3.3 DFD (Data Flow Diagram) . . . . . . . . . . . . . . . . . . . . . . . . . . 8
3.4 Interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
3.5 Maintenance prediction . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
3.6 Object Model . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
3.7 Object-Oriented (OO) Approach . . . . . . . . . . . . . . . . . . . . . . . 8
3.8 Reliabity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
3.9 Requirement, functional . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
3.10 Requirement, non-functional . . . . . . . . . . . . . . . . . . . . . . . . . . 9
3.11 Sequence Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
3.12 Software Requirements Specification . . . . . . . . . . . . . . . . . . . . . 9
3.13 Software Architecture . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
3.14 Stakeholder . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
3.15 User . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
3.16 User Interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
3.17 Unified Modeling Language (UML) . . . . . . . . . . . . . . . . . . . . . . 10
3.18 Use Cases . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

4 User Requirements Definition 11

4.1 External Interface Requirements . . . . . . . . . . . . . . . . . . . . . . . 11
4.1.1 User Interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
4.2 Functional Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
4.3 Non Functional Requirements . . . . . . . . . . . . . . . . . . . . . . . . . 13

5 System Architecture 14
5.1 Product perspective and functions . . . . . . . . . . . . . . . . . . . . . . 14
5.2 System Environment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
5.3 User characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16

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 5.4 Assumptions and dependencies . . . . . . . . . . . . . . . . . . . . . . . . 17

6 System Requirement Specification 18

6.1 External Interface Requirements . . . . . . . . . . . . . . . . . . . . . . . 18
6.1.1 User Interfaces – GUI . . . . . . . . . . . . . . . . . . . . . . . . . 18
6.1.2 Hardware and software interfaces . . . . . . . . . . . . . . . . . . . 19
6.1.3 Communications interfaces . . . . . . . . . . . . . . . . . . . . . . 20
6.2 Functional Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
6.3 Non Functional Requirements . . . . . . . . . . . . . . . . . . . . . . . . . 22
6.3.1 Performance Requirements . . . . . . . . . . . . . . . . . . . . . . 23
6.3.2 Safety Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . 23
6.3.3 Software Quality Attribute . . . . . . . . . . . . . . . . . . . . . . 23
6.3.4 Reliability . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
6.3.5 Multi lingual Support . . . . . . . . . . . . . . . . . . . . . . . . . 23

7 System Models 24
7.1 Use Cases . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
7.2 Use Case Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35

8 System Evolution 37

9 Appendix-I 39
9.1 Level-0 Data Flow Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . 39
9.2 Level-1 Data Flow Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . 40

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 Index of Diagrams

ˆ Figure-5.1: Block Diagram of Travel Agency Software . . . . . 13

ˆ Figure-5.2: An abstract system environment of Travel Agency

Software . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

ˆ Figure-5.3: Logical Structure of Travel Agency Software . . . 15

ˆ Figure-7.1: Use Case 01 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23

ˆ Figure-7.2: Use Case 02 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24

ˆ Figure-7.3: Use Case 03 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26

ˆ Figure-7.4: Use Case 04 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27

ˆ Figure-7.5: Use Case 05 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29

ˆ Figure-7.6: Use Case 06 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30

ˆ Figure-7.7: Use Case 07 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32

ˆ Figure-7.8: Use Case 08 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33

ˆ Figure-7.9: Use Case Diagram For Travel Agency Software 35

ˆ Figure-9.1: Level 0 DFD of Travel Agency Software . . . . . . . 38

ˆ Figure-9.2: Level 1 DFD of Travel Agency Software . . . . . . . 39

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1 Overview
Preface
The Software Requirements Specification (SRS) provides a comprehensive outline of
what the developers need to create for the system. It encompasses both user require-
ments and a thorough description of system specifications. This document starts with
an overview of user needs, transitioning into detailed system requirements. As an exter-
nal contractor tasked with developing the system, Efficiency Monitor, we recognize the
importance of this SRS in defining the technical and non-functional requirements of the
software. It ensures that we don’t overlook system-wide requirements while concentrat-
ing on functional aspects. In essence, this SRS document will primarily delineate user
requirements along with overarching non-functional system requirements.

Readership
This requirements document is designed for a broad audience, including senior man-
agement, software engineers, and everyone involved in the project. Its primary audi-
ence includes customers, system analysts, project managers, designers, developers, and
testers. Essentially, anyone connected to the development and maintenance of the soft-
ware will refer to this document.
The SRS will be reviewed by our customers to confirm that it accurately reflects
the requirements gathered from user interviews. Designers will use it as a fundamen-
tal resource for the design phase. Developers and testers will rely on this document to
understand their tasks and ensure they meet the specified requirements. In summary,
this document serves as a critical reference point for all stakeholders involved in the
software’s lifecycle.

Version History
Since this is the introductory version of the ”Odyssey Travels” application, there is
no previous history or version to reference. In version 1.0 of Odyssey Travels, our goal
is to meet all identified user requirements gathered through extensive study and cus-
tomer interviews (as detailed in Chapter 4 of this document). Should users encounter
any limitations or shortcomings while using our product and provide feedback or request
new features, we will release updated versions of Odyssey Travels. These updates will
address any reported issues, incorporate requested features, or introduce enhancements
based on our own assessments.

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2 Introduction
2.1 Purpose
The purpose of this document is to provide a comprehensive description of the web-
based project named ”Odyssey Travels,” developed using Next.js. It aims to outline the
system’s objectives, functionalities, user interfaces, operational constraints, and how it
handles external interactions. This document serves as a detailed guide for stakeholders
and developers involved in the project, ensuring a clear understanding of the system’s
scope and requirements. It will define how ”Odyssey Travels” enhances the online travel
booking experience through innovative features and responsive web interfaces.

2.2 Scope
This web-based application, ”Odyssey Travels,” is designed to enhance user efficiency
and streamline travel planning processes. It aims to empower users by providing in-
tuitive tools to manage and prioritize travel itineraries and bookings seamlessly. Users
will no longer need to rely on traditional methods like spreadsheets or multiple web-
sites to organize their travel plans. ”Odyssey Travels” will enable users to categorize
and prioritize travel activities effortlessly, ensuring optimal utilization of their time and
resources. By offering clear insights into itinerary management and suggesting efficient
scheduling of activities, the application enhances user productivity while maintaining
ease of use. Specifically, the system will guide users in making informed decisions about
their travel plans, suggesting ideal times for activities to maximize efficiency throughout
their journey. It will help users save valuable time by centralizing booking processes
and providing real-time updates on travel arrangements. Additionally, the application
will assist users in optimizing their itineraries by recommending adjustments or identi-
fying unnecessary tasks, ensuring that their travel experiences are both productive and
fulfilling. Overall, ”Odyssey Travels” aims to revolutionize the travel planning experi-
ence by offering a user-friendly interface that simplifies task management and enhances
productivity, thereby meeting the diverse needs of modern travelers.

2.3 Organization
This document consists of 7 chapters, each serving a distinct purpose in detailing the
”Odyssey Travels” project. The following chapter, the glossary section, provides defini-
tions for technical terms used throughout this document, aimed at enhancing readability

6
and understanding for all stakeholders. The third section, titled User Requirement Def-
inition, outlines the services offered to users and encompasses non-functional system
requirements. This section utilizes natural language, diagrams, and other notations that
are accessible and comprehensible to our customers. Chapter 4, System Architecture,
offers a high-level overview of the planned system architecture, illustrating how func-
tions are distributed across various modules. It also highlights components that are
reused within the architecture. The subsequent chapter, System Requirement Speci-
fication, delves deeper into both functional and non-functional requirements, offering
detailed descriptions and specifications. Graphical system models depicting relation-
ships between system components and their environment are included in Chapter 6,
titled System Models. Chapter 7, System Evolution, outlines the core assumptions un-
derpinning the system’s design and anticipates future changes influenced by hardware
advancements and evolving user needs. Appendices containing detailed, application-
specific information relevant to ”Odyssey Travels” are appended after the 7th section,
providing supplementary details for stakeholders and developers.

2.4 References
IEEE: IEEE Std 830-1998 IEEE Recommended Practice for Software Requirements
Specifications, IEEE Computer Society, 1998.

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3 Glossary
3.1 Web Framework
Next.js – A JavaScript framework designed for building server-side rendered (SSR) React
applications, developed by Vercel.

3.2 Supported Devices

Next.js application – Any web application built using Next.js. In this document, syn-
onymous with web application developed with Next.js

3.3 DFD (Data Flow Diagram)

A graphical representation that refers the system using functions performed in the system
and data produced by these functions.

3.4 Interface
A specification of the attributes and operations associated with a software component.
The interface is used as the means of accessing the component’s functionality.

3.5 Maintenance prediction

The process in which project managers try to predict what system changes might be
proposed and what parts of the system are likely to be the most difficult to maintain.

3.6 Object Model

A model of a software system that is structured and organized as a set of object classes
and the relationships between these classes.

3.7 Object-Oriented (OO) Approach

An approach to software development where the fundamental abstractions in the system
are independent objects.

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3.8 Reliabity
The ability of a system to deliver services as specified. Reliability can be specified
quantitatively as a probability of failure on demand or as the rate of occurrence of
failure.

3.9 Requirement, functional

A statement of some function or feature that should be implemented in a system.

3.10 Requirement, non-functional

A statement of a constraint or expected behavior that applies to a system. This con-
straint may refer to the emergent properties of the software that is being developed or
to the development process.

3.11 Sequence Diagram

A diagram that shows the sequence of interactions required to complete some operation.
In the UML, sequence diagrams may be associated with use cases.

3.12 Software Requirements Specification

A document that completely describes all of the functions of a proposed system and the
constraints under which it must operate. For example, this document.

3.13 Software Architecture

A model of the fundamental structure and organization of a software System.

3.14 Stakeholder
Any person with an interest in the project who is not a developer.

3.15 User
Someone who interacts with the Web Browser.

3.16 User Interface

The way in which information produced by the system is displayed and the way in which
system users can access system functionality.

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3.17 Unified Modeling Language (UML)
A graphical language used in object-oriented development that includes several types of
system models that provide different views of a system.

3.18 Use Cases

Use cases are a requirements discovery technique that identifies the actors involved in
an interaction and names the type of interaction.

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4 User Requirements Definition
This section encompasses all functional and quality requirements of the system, includ-
ing non-functional requirements. It provides a comprehensive description of the system
and its complete feature set. To ensure clarity and avoid misunderstandings, user re-
quirements are articulated in natural language. This version clarifies the purpose of the
section while maintaining its original intent and focus.

4.1 External Interface Requirements

4.1.1 User Interface
ˆ Home:
– Serves as the main landing page.
– Provides an overview of offerings and services.
– Designed for intuitive navigation and accessibility.

ˆ About:
– Provides comprehensive project information.
– Includes objectives, mission statement, team members, and background de-
tails.
– Builds trust and transparency.

ˆ Packages:
– Users explore various travel options and service offerings.
– Includes detailed descriptions, pricing information, and possibly images or
videos.
– Supports informed decision-making.

ˆ Login:
– Registered users access their accounts securely.
– Provides access to booking history, saved preferences, and account settings.
– Enhances user engagement and personalized experiences.

ˆ Signup:
– New users create accounts easily.

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 – Access to exclusive features and personalized recommendations.
– Facilitates seamless booking experiences.

ˆ Contact Us:
– Provides essential contact information.
– Includes email addresses, phone numbers, and possibly a contact form.
– Facilitates direct communication with customer support or the project team.

Design Considerations
Each section is designed with:
ˆ User-friendliness in mind.

ˆ Intuitive navigation and accessibility across different devices and platforms.

ˆ Home page as the focal point for engaging users.

ˆ About section for building trust and transparency.

ˆ Packages section for comprehensive showcasing and informed decision-making.

ˆ Seamless Login and Signup process for enhanced engagement and personalized
experiences.

ˆ Contact Us section for easy access to customer support and inquiries.

ˆ Promotion of customer satisfaction and support throughout user interaction.

Hardware Interfaces
Odyssey Travels, the hardware interface consists of Android-based smartphones. There
are no specific hardware requirements for the Android devices used, except that the
system must be compatible with any version of Android

4.2 Functional Requirements

This section outlines the fundamental actions required for the Odyssey Travels software
system:
ˆ The system must allow users to view available travel packages and details.

ˆ The system must provide options to filter packages based on destination, duration,
and price range.

ˆ The system must display a progress bar indicating booking completion and show
the percentage of bookings done.

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 ˆ The system must offer a statistical view of popular travel destinations, package
categories, and user preferences.

ˆ The system must Send Invoice Mail for important booking updates and travel
reminders.

ˆ The system must display average user ratings and reviews for each travel package.

ˆ The system must allow users to upload images or documents (e.g., passport copies)
securely for booking purposes.

ˆ The system must include a calendar view for users to select travel dates and check
availability.

ˆ The system must provide a profile section for users to manage personal information,
preferences, and past bookings.

ˆ The system must feature interactive travel quizzes to engage users and provide
insights into destinations.

ˆ The system must maintain a history of user bookings and travel preferences for
personalized recommendations.

ˆ All functionalities can be accessed and executed using the touchscreen interface of
a smartphone.

All functionalities can be accessed and executed using the touchscreen interface of a
smartphone.

4.3 Non Functional Requirements

ˆ System must provide a pleasant and user-friendly graphical interface.

ˆ System must provide multilingual advantage, especially Bengali and English.

ˆ System must respond within a few seconds.

ˆ System must work with relatively long input lists.

ˆ System mustn’t alter the task list automatically.

ˆ System must restart instantly in case of failure without any data loss.

ˆ System must be usable to every class of users, even if they have no technical
knowledge.

ˆ System must work cooperatively with other key processes without causing any
delay.

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5 System Architecture
This section will give an overview of the whole system. The system will be explained in its
context to show how the system interacts with user and introduce the basic functionality
of it. It will also describe what functionality is available for stakeholders. At last, the
constraints and assumptions for the system will be presented.

5.1 Product perspective and functions

Odyssey Travels is a web-based software application designed to manage travel plans
and bookings efficiently. Users can seamlessly book flights, hotels, and transportation,
ensuring a streamlined travel experience. The application provides tools for organizing
and managing travel itineraries, allowing users to keep track of their bookings and view
relevant travel details. Additional minor functions and enhancements will be detailed
later in this report. In this subsection, we will present a block diagram illustrating the
main functionalities of our system. The block diagram, shown in Figure 5.1, provides a
visual representation of the key features and interactions within Odyssey Travels.

Visitors Authentication
(Browse Packages) (Login, Registration)

Package Management
Registered Users
(Manage Travel
(Book Packages,
Packages)
Transportation, Hotels,
Manage Bookings)

Booking System
(Book Packages,
Admin Transportation, Hotels)
(Manage Packages,
User Bookings)

Payment Integration
(Process Payments)

Figure-5.1: Block Diagram of Travel Agency Software

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5.2 System Environment
While considering the basic functions/features of Travel Agency Software ,a sample Sys-
tem Environment can be imagined before analyzing the requirements in details. The
abstract System Environment of our product is shown in figure-5.2

Visitor Registered User Admin

Travel Agency Web Application

Payment Third-Party
Email Service
Gateway Travel Info API

Figure-5.2: An abstract system environment of Travel

Agency Software
After studying the requirements mentioned by user listed in section 4 , we have figured
out a basic logic structure of Efficiency Monitor mobile application. shown in figure-
5.3. That structure basically shows the primary activities, actors, features and primary
relationships between them. In general language, logic diagram shows who is doing and
what is doing.

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 Visitor Registered User Admin

Browse Packages Book Packages Manage Packages

Register/Login Manage Bookings View Bookings

Process Payments

Invoice On Email

Figure-5.3:Logical Structure of Travel Agency Software

5.3 User characteristics

There is a single type of user interacting with the system: users of the Odyssey Travels
web application. Users of our web app have specialized usage tailored to their travel
planning and booking needs. The web application allows users to explore travel packages,
manage their travel itineraries, and modify their bookings at any time. This means that

16
users need to be able to view available packages, add new bookings, and update their
travel plans seamlessly. For optimal use of our solution, users are expected to be familiar
with basic web navigation and interaction. This includes the ability to use buttons,
dropdown menus, side panels, and other common web interface elements effectively.

5.4 Assumptions and dependencies

One assumption about the Odyssey Travels application is that it will be used on mobile
devices with adequate performance capabilities. If the device lacks sufficient hardware
resources, such as processing power, RAM, or storage space, or if these resources are
heavily utilized by other applications, the performance of Odyssey Travels may be com-
promised. In such cases, users may experience issues where the application does not
function as intended, or may not work at all.

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6 System Requirement Specification
Under this headline we’ll describe all the functional and non-functional requirements in
details.

6.1 External Interface Requirements

This subsection provides a comprehensive description of all user interface requirements
for the Odyssey Travels system. It also includes detailed descriptions of the software
interfaces involved in the system’s operation.

6.1.1 User Interfaces – GUI

The primary elements of Odyssey Travels’ GUI are:

ˆ Home Page:
– Main landing page with navigation to sections such as ’About,’ ’Packages,’
’Login,’ ’Signup,’ and ’Contact Us.’
– Title bar includes a navigation menu, application logo, and quick access to
notifications and user profile.

ˆ Packages Page:
– Displays available travel packages with options to filter and sort based on
destination, duration, price, etc.
– Detailed descriptions, images, and booking options for each package.
– Users can select packages to view more details or proceed to booking.

ˆ Login and Signup Pages:

– ’Login’ page for existing users to enter credentials and access their accounts.
– ’Signup’ page for new users to create accounts by providing name, email, and
password.
– Both pages support secure authentication and password recovery.

ˆ About Page:
– Provides insights into the project’s mission, team, and background informa-
tion.
– Helps users understand Odyssey Travels’ goals and the team behind it.

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 ˆ Contact Us Page:
– Contains contact information, an inquiry form, and links to support resources.
– Facilitates direct communication with the Odyssey Travels team.

ˆ Profile Page:
– Accessible from the user icon on the Home page.
– Options to view and edit personal details, change profile picture, and review
booking history.
– Enables convenient management of user profiles.

ˆ Invoices::
– Invoices for selected travel packages are automatically emailed to users.
– Each email contains a detailed breakdown of the booking, including costs,
services, and travel itinerary.
– Ensures users receive timely and accurate information about their purchases
and can easily access their invoices for record-keeping.

ˆ Interactive Features:
– Home page includes interactive elements like travel quizzes and engagement
activities.
– Enhances user experience with fun exploration of travel-related content and
rewards or insights.

6.1.2 Hardware and software interfaces

Odyssey Travels is a mobile-friendly web application for travel planning and booking,
accessible via Android (7.0+) and iOS (11.0+) devices using modern web browsers. It
supports touch gestures and requires a minimum screen resolution of 720 x 1280 pixels.
Push notifications keep users updated on booking details and promotions in real-time.
Backend services utilize RESTful APIs for data retrieval and storage of user profiles,
travel packages, and bookings, with secure authentication and payment gateways like
PayPal and Stripe. Mapping services such as Google Maps or Mapbox provide location
and direction functionalities. JavaScript frameworks like React and Next.js optimize
frontend functionality, while Axios manages HTTP requests. Cloud storage ensures
secure management of user-uploaded documents and images, and email services handle
communication with users. Overall, Odyssey Travels maximizes usability and efficiency
through its robust hardware and software interfaces for travel planning and booking on
mobile devices.

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6.1.3 Communications interfaces
Odyssey Travels utilizes HTTP/HTTPS protocols for secure data exchange between
clients and servers, ensuring encrypted communication for user interactions and sensi-
tive information. RESTful APIs facilitate seamless integration with backend services,
enabling efficient retrieval of travel package data, user profiles, and booking details. Au-
thentication services like OAuth or JWT manage secure user access and session handling,
ensuring only authorized interactions within the application. Payment gateways such as
PayPal and Stripe handle secure transactions, complying with PCI DSS standards for
payment security. SMTP or Email APIs (e.g., SendGrid) manage transactional emails
for booking confirmations and notifications, ensuring reliable communication with users.
Push notification services (e.g., Firebase Cloud Messaging) deliver real-time alerts on
booking updates and promotions, enhancing user engagement. Mapping APIs (e.g.,
Google Maps, Mapbox) provide location-based services for travel destinations and di-
rections, enhancing the overall travel planning experience within Odyssey Travels.

6.2 Functional Requirements

ˆ User Authentication and Profile Management: Secure registration, login, and pro-
file management including personal details and preferences.

ˆ Travel Package Browsing and Booking: Browse packages, view details (destina-
tions, itineraries, pricing), and book securely.

ˆ Notification System: Notify users about booking confirmations, package updates,

and offers via push notifications and emails.

ˆ Search and Filtering: Search packages by destination, duration, price range, and
travel dates, with filtering options for tailored results.

ˆ Payment Gateway Integration: Integrate with secure payment gateways for cred-
it/debit card and other payment methods.

ˆ User Feedback and Reviews: Provide feedback and reviews on travel experiences
and interact with other users’ reviews.

ˆ Admin Dashboard: Manage travel packages, user accounts, and monitor booking
transactions with an administrative dashboard.

These requirements ensure a user-friendly and comprehensive travel planning and

booking experience for users of Odyssey Travels.

ˆ User Registration and Authentication

– 1.1. Users can create a new account or log in using existing credentials to
access personalized features.

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 – 1.2. The system securely stores user information, including name, contact
details, and login credentials.
– 1.3. User authentication ensures secure access to sensitive information such
as booking history and payment details.

ˆ Travel Package Management

– 2.1. The system presents a catalog of travel packages categorized by destina-
tion, type (e.g., adventure, cultural), and duration.
– 2.2. Users can view detailed descriptions, itineraries, inclusions, and exclu-
sions for each package.
– 2.3. The system allows users to filter packages by price range, departure
dates, and specific amenities.
– 2.4. Users can add packages to a wishlist or compare multiple packages side
by side for informed decision-making.

ˆ Booking and Reservation System

– 3.1. Users initiate bookings by selecting preferred travel packages and speci-
fying travel dates.
– 3.2. The system calculates total costs, including taxes and additional fees,
and displays payment options.
– 3.3. Users can choose payment methods (e.g., credit card, PayPal) and com-
plete transactions securely.
– 3.4. Confirmation emails are sent to users upon successful booking, containing
booking details and itinerary information.

ˆ User Profile Management

– 4.1. Users have access to a profile dashboard where they can view and manage
personal information.
– 4.2. The system allows users to update profile details, such as contact infor-
mation, travel preferences, and loyalty program memberships.
– 4.3. Users can upload and manage profile photos or avatars to personalize
their accounts.
– 4.4. Profile settings include privacy options to control visibility of personal
details and preferences.

ˆ Notifications and Alerts

– 5.1. The system sends real-time notifications to users regarding booking con-
firmations, itinerary changes, and special promotions.
– 5.2. Users can customize notification preferences based on their interests and
travel plans.

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 – 5.3. Alerts include reminders for upcoming trips, payment due dates, and
recommendations for additional services.

ˆ Interactive Maps and Location Services

– 6.1. Integrated mapping APIs provide interactive maps displaying travel des-
tinations, nearby attractions, and points of interest.
– 6.2. Users can search for specific locations, view directions, and explore in-
teractive maps with zoom and pan functionalities.
– 6.3. The system offers offline access to maps and travel guides, ensuring
usability even in areas with limited connectivity.

ˆ Customer Support and Feedback

– 7.1. Users access customer support options through the application, including
FAQs, help guides, and contact forms.
– 7.2. The system facilitates live chat support for immediate assistance with
booking inquiries and technical issues.
– 7.3. Users can submit feedback and reviews about their travel experiences,
helping to improve service quality and user satisfaction.

ˆ Language and Accessibility Options

– 8.1. The application supports multiple languages, allowing users to select
their preferred language for navigation and communication.
– 8.2. Accessibility features ensure that the application is usable by users with
disabilities, including screen readers and text-to-speech capabilities.

ˆ System Security and Data Privacy

– 9.1. The system employs encryption protocols (e.g., HTTPS) to secure data
transmission and protect user information.
– 9.2. User data, including personal details and payment information, is stored
securely and compliant with data protection regulations.
– 9.3. Regular security audits and updates are conducted to maintain the in-
tegrity and confidentiality of user data.

6.3 Non Functional Requirements

Odyssey Travels prioritizes performance with a goal of rapid response times and seam-
less transaction handling for up to 1000 concurrent users. It ensures high reliability
through robust error handling and data recovery mechanisms, aiming for 99.9Scalability
is addressed with a horizontally scalable infrastructure to accommodate peak traffic and
increasing user volumes. Usability focuses on an intuitive interface across devices, em-
ploying responsive design principles. Compatibility is assured across major web browsers

22
and mobile platforms (Android, iOS), ensuring consistent functionality and user experi-
ence.
Maintainability is facilitated through best coding practices and comprehensive doc-
umentation, supporting efficient system management and future enhancements. These
non-functional requirements collectively ensure a secure, scalable, and user-centric travel
booking experience with Odyssey Travels.

6.3.1 Performance Requirements

Odyssey Travels is an application that operates efficiently without imposing significant
demands on system resources, ensuring minimal impact on other essential processes. It
is designed to deliver prompt responses, providing users with a real-time experience for
seamless interaction and efficient service delivery.

6.3.2 Safety Requirements

The Odyssey Travels application guarantees the integrity of user-inputted data, ensuring
no alterations to these entries. It is designed to operate reliably even with extensive task
lists and under various configuration settings, maintaining functionality and performance
without compromise.

6.3.3 Software Quality Attribute

Odyssey Travels offers a user-friendly graphical interface designed for ease of use, fea-
turing straightforward functionalities. Users of all levels should navigate the application
effortlessly, requiring no specialized knowledge. The system prioritizes quick responsive-
ness to ensure a seamless user experience

6.3.4 Reliability
The system must be reliable to users. In case of system failure it must restart instantly
without anydata loss.

6.3.5 Multi lingual Support

The system should be language agnostic. English and Bengali should be at least be
supported because these are the the native languages of users.

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7 System Models
In this chapter, we will construct abstract models of the system to depict various views
or perspectives using predefined graphical notations, particularly the Unified Modeling
Language (UML). System modeling serves to elucidate the intended requirements to
stakeholders, facilitating discussions on design proposals and providing comprehensive
documentation for implementation. This section includes subsections detailing use cases
and essential diagrams that illustrate the functionality and structure of our system.

7.1 Use Cases

Use Cases help us to identify the actors involved in an interaction and names the type
of interaction. This subsection outlines the Use Cases for our system’s users. Use cases
are determined following the scenarios mentioned in section-6.

7.1.1. UC 1: Users Viewing Packages

Diagram:

View Packages

Figure-7.1: Use Case 01

Brief Description: Users view available travel packages on the Odyssey Travels platform.
Preconditions:

ˆ User has a working internet connection.

ˆ Odyssey Travels application is installed on the device.

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 Main Success Scenario:

1. User opens the Odyssey Travels application.

2. System displays the home screen with navigation options: Home, About, Packages,
Login, Signup, Contact Us.

3. User taps on the ”Packages” option from the navigation menu.

4. System shows the ”Packages” page, listing various travel packages available.

5. User scrolls through the list of packages to explore details and options.

6. System displays package details including destination, duration, pricing, and ameni-
ties.

7. User selects a specific package for more detailed information.

8. System shows detailed information such as itinerary, inclusions, and exclusions.

9. User navigates back to the package list or other sections using navigation buttons.

Postcondition:

ˆ System displays the selected package details accurately.

ˆ User can proceed to book the selected package or explore other options.

7.1.2. UC 2: Purchase Plan

Diagram:

User

Purchase Plan

Figure-7.2: Use Case 02

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Brief Description: User selects and purchases a travel plan on the Odyssey Travels
platform.
Preconditions:
ˆ User has a working internet connection.
ˆ Odyssey Travels application is installed on the device.
ˆ User is logged into the Odyssey Travels account.
Main Success Scenario:
1. System displays the home page of the Odyssey Travels application.
2. User navigates to the ”Packages” section from the navigation menu.
3. System shows a list of available travel packages.
4. User selects a specific travel package for purchase.
5. System displays detailed information about the selected package, including itinerary,
pricing, and booking options.
6. User confirms the package selection and taps on the ”Book Now” button.
7. System prompts the user to enter necessary details such as travel dates, number
of travelers, and any additional preferences.
8. User fills in the required information and proceeds to the payment section.
9. System securely processes the payment using the chosen payment method (e.g.,
credit card, PayPal).
10. System confirms the successful booking and displays a confirmation message with
booking details.
11. User receives a confirmation email with the booking details.
Postconditions:
ˆ User’s selected travel plan is successfully booked and confirmed.
ˆ System displays the home page or booking summary for the user to review.
Alternative Courses:
5a. User explores additional details or options before making a final selection.
7a. User adjusts travel details or preferences before confirming the booking.
9a. Payment transaction fails or encounters issues; system prompts user to retry or
choose an alternative payment method.
Exceptions:
ˆ User may abandon the booking process at any step before final confirmation.

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7.1.3. UC 3: Purchase Plan with Apply Coupon
Diagram:

User

Purchase Plan Apply Coupon

Figure-7.3: Use Case 03

Brief Description: User applies a coupon code during the booking process to avail dis-
counts or special offers.

UC 3: Apply Coupon
Preconditions:

ˆ User has a working internet connection.

ˆ Odyssey Travels application is installed on the device.

ˆ User is logged into the Odyssey Travels account.

ˆ User has selected a travel package and proceeded to the payment section.

Main Success Scenario:

1. System displays the booking details and prompts the user to apply a coupon code.

2. User enters the coupon code in the designated field.

3. System verifies the coupon validity and applies the discount to the total booking
amount.

4. System updates the payment summary to reflect the discounted price.

5. User confirms the application of the coupon code.

6. System confirms the coupon code application and adjusts the total payable amount
accordingly.

Postconditions:

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 ˆ System displays the updated booking summary with the discounted price.

ˆ User proceeds to complete the booking with the discounted price.

Alternative Courses:

3a. User enters an invalid coupon code or expired coupon.

3a.01. System displays an error message indicating the issue with the coupon code.
3a.02. User can retry with a different coupon code or proceed without applying any
coupon.

Exceptions:

ˆ User may abandon the coupon application process at any step before confirmation.

7.1.4. UC 4: Book Flight and Transportation

Diagram:

User

Purchase Plan Book Flight

Book Transportation

Figure-7.4: Use Case 04

Brief Description: User selects and books flights and transportation services through the
Odyssey Travels application.

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UC 4: Book Flight and Transportation
Preconditions:
ˆ User has a working internet connection.
ˆ Odyssey Travels application is installed on the device.
ˆ User is logged into the Odyssey Travels account.
ˆ User has navigated to the booking section of the app.
Main Success Scenario:
1. System displays the home page of the Odyssey Travels App.
2. User taps on the ’Book Flight and Transportation’ option from the display screen.
3. System displays a list of available flights and transportation options.
4. User selects a flight and transportation option.
5. System prompts user to enter travel details such as departure date, return date,
number of passengers, etc.
6. User fills in the required details.
7. System calculates the total fare and displays the payment summary.
8. User confirms the booking details.
9. System processes the payment transaction securely.
10. System confirms the booking with a booking ID and sends a confirmation email
or notification to the user.
11. User receives the booking confirmation and can view the booking details in the
app.
Postconditions:
ˆ System updates the user’s booking history with the new booking details.
ˆ User can access the booked flight and transportation details under their account.
Alternative Courses:
5a. User searches for a specific flight or transportation option not listed.
5a.01. System displays a message indicating no results found.
5a.02. User can retry with different search criteria or contact support.
Exceptions:
ˆ User may abandon the booking process at any step before confirming the payment.

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7.1.5. UC 5: Book Hotel
Diagram:

User

Purchase Plan Book Hotel

Figure-7.5: Use Case 05

Brief Description: User selects and books accommodations through the Odyssey Travels
application.

UC 5: Book Hotel
Preconditions:

ˆ User has a working internet connection.

ˆ Odyssey Travels application is installed on the device.

ˆ User is logged into the Odyssey Travels account.

ˆ User has navigated to the hotel booking section of the app.

Main Success Scenario:

1. System displays the home page of the Odyssey Travels App.

2. User taps on the ’Book Hotel’ option from the display screen.

3. System displays a list of available hotels based on the user’s search criteria.

4. User selects a hotel from the list.

5. System prompts user to enter details such as check-in date, check-out date, number
of rooms, etc.

6. User fills in the required details.

7. System calculates the total cost and displays the payment summary.

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 8. User confirms the booking details.

9. System processes the payment transaction securely.

10. System confirms the hotel booking with a booking ID and sends a confirmation
email or notification to the user.

11. User receives the booking confirmation and can view the booking details in the
app.

Postconditions:

ˆ System updates the user’s booking history with the new hotel booking details.

ˆ User can access the booked hotel details under their account.

Alternative Courses:

5a. User searches for a specific hotel not listed.

5a.01. System displays a message indicating no results found.
5a.02. User can retry with different search criteria or contact support.

Exceptions:

ˆ User may abandon the booking process at any step before confirming the payment.

7.1.6. UC 6: Admin View and Accept/Delete Plans

Diagram:

Admin

View and Accept/Delete Plans

Figure-7.6: Use Case 06

Brief Description: Admin reviews and manages travel plans submitted by users, either
accepting or deleting them based on predefined criteria.

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Main Success Scenario:
1. Admin logs into the Odyssey Travels admin panel.

2. Navigates to ”Manage Travel Plans” section.

3. Views list of submitted plans.

4. Selects a plan for detailed review.

5. Reviews plan details (itinerary, user info, pricing).

6. Evaluates plan against criteria.

7. Accepts plan: updates status, notifies user.

8. Deletes plan: removes from system, notifies user.

9. Records decision and notes.

Postconditions:
ˆ Plan status updated in database.

ˆ User notified of plan status.

Alternative Courses:
ˆ Requests additional info or corrections from user.

ˆ Communicates via internal messaging or email.

Exceptions:
ˆ Technical issues hindering plan access.

ˆ Admin postpones review.

7.1.7. UC 7: Admin View and Edit Booked Hotels of Users

Diagram:

32
 Admin

View and Edit Booked Hotels of Users

Figure-7.7: Use Case 07

Brief Description: Admin accesses and modifies hotel bookings made by users through
the Odyssey Travels platform.

Main Success Scenario:

1. Admin logs into the Odyssey Travels admin dashboard.

2. Navigates to ”Manage Booked Hotels” section.

3. Views list of booked hotels with user details.

4. Selects a booked hotel for editing.

5. Reviews booking details (dates, rooms, preferences).

6. Edits booking information as required.

7. Confirms changes and updates the booking.

8. Notifies user of any modifications.

Postconditions:
ˆ Booking details updated in the system.

ˆ User notified of changes made.

Alternative Courses:
ˆ Requests additional information or clarifications from the user.

ˆ Provides support or resolves issues related to the booking.

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Exceptions:
ˆ System downtime affecting access to bookings.

ˆ Admin defers editing due to unforeseen circumstances.

7.1.8. UC 8: Admin View, Edit, Delete Registered Tour

Guide’s Information
Diagram:

Admin

View, Edit, Delete Tour Guide’s Information

Figure-7.8: Use Case 08

Brief Description: Admin manages the information of registered tour guides within the
Odyssey Travels platform.

Main Success Scenario:

1. Admin logs into the Odyssey Travels admin dashboard.

2. Navigates to ”Manage Tour Guides” section.

3. Views list of registered tour guides with their details.

4. Selects a tour guide for viewing or editing.

5. Reviews tour guide’s information (contact details, certifications).

6. Edits tour guide’s information as required.

7. Confirms changes and updates the tour guide’s profile.

8. Deletes tour guide’s profile if necessary, after confirmation.

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Postconditions:
ˆ Tour guide’s information updated or deleted as per admin’s actions.

ˆ System reflects changes immediately.

Alternative Courses:
ˆ Admin requests additional documentation or updates from the tour guide.

ˆ Provides feedback or support regarding certification requirements.

Exceptions:
ˆ Technical issues or system errors may delay updates.

ˆ Admin decides to defer deletion due to ongoing bookings or other dependencies.

7.2 Use Case Diagram

A use case diagram is pivotal in illustrating a user’s engagements with the system,
depicting the correlation between the user and various use cases they engage in. This
diagram serves to provide a comprehensive overview of the system and supports the
detailed design process. The UML use case diagram comprises a collection of use cases
that encompass all conceivable interactions outlined in the system requirements (Section
6). The use case diagram for Odyssey Travels is delineated in Figure-7.1.

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UML Diagram :

Figure - 7.9 : Use Case Diagram For Travel Agency Software

Although we adhere to the object-oriented approach (OOP) in developing our sys-

tem, Data Flow Diagrams (DFDs) may occasionally be indispensable for enhanced com-
prehension. Therefore, we have included the DFDs of the Odyssey Travels project in
Appendix-I to provide clarity where necessary.

36
8 System Evolution
We have formulated foundational assumptions pivotal for launching the Odyssey Travel
Agency project. This section delineates these assumptions, addressing potential impacts
from advancements in hardware/software, evolving user demands, and other pertinent
factors.
Our software development lifecycle extends beyond initial deployment, encompassing
ongoing refinement and adaptation. Post-deployment, adjustments may be necessary to
address operational issues, accommodate platform updates, and enhance performance
and other non-functional attributes. Given that our product is managed internally within
our organization, ongoing support and evolution are integral to its lifecycle without
necessitating additional contractual agreements.
The evolution process involves essential activities such as change analysis, release
planning, system implementation, and customer delivery. We have identified potential
post-deployment challenges and their underlying assumptions, summarized in Table-I,
to proactively address and mitigate any arising issues.
Table - I: Potential reasons that can cause severe problems
during the evolution process of the travel website

SN. Reasons that can drive us to make urgent changes

1. User encounters issues with booking confirmations not being received on
time. Immediate action is required to fix the notification system to maintain
customer trust.
2. The integration with third-party services (e.g., flight or hotel booking APIs)
changes their formats or access methods, causing disruptions in our service.
We need to quickly adapt to these changes to keep our booking system
functional.
3. The website’s performance degrades significantly under high traffic
conditions, which can occur during peak travel seasons. We must improve
the server scalability and optimize the codebase to handle increased loads
effectively.
4. New security vulnerabilities are discovered that could potentially expose user
data. Immediate security patches and updates are necessary to protect user
information and comply with data protection regulations.
5. A major update is released for the mobile operating system that our mobile
app relies on, leading to compatibility issues. We need to update the app
promptly to ensure a seamless experience for our users.

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 Table-II: Maintenance Predictions

SN. Assumptions Reengineering

Technique
1. Interface updates will be necessary to Source code translation
accommodate new travel packages and user
preferences.
2. Certain requirements may change due to new Program structure
regulations or changes in third-party services improvement
(e.g., new APIs for hotel bookings).
3. As a new version is rolled out, a significant Code refactoring
number of bug and failure reports can be
expected due to the high variability in user
environments.
4. Users may request specific feature Program
enhancements such as multi-language support modularization
or personalized itinerary suggestions without
needing a complete overhaul of the system.
5. Integration with new social media platforms for Integration and
sharing travel plans could require substantial migration
backend modifications.

Maintenance Predictions for our travel website involve strategic planning to address
potential challenges that could impact our system’s functionality and user experience.
One critical aspect is source code translation, where older programming languages are
updated to newer versions or entirely different languages using automated tools, ensuring
compatibility and performance enhancements. Program structure improvement is
another vital strategy, focusing on analyzing and refining the control structures within
our software to enhance readability and maintainability, often requiring a balance of au-
tomated tools and manual interventions. Program modularization plays a key role
by organizing related components to streamline functionality and reduce redundancy,
fostering easier updates and scalability. These techniques anticipate future needs, such
as accommodating new travel packages and user preferences through interface updates.
Additionally, they prepare us for regulatory changes or updates in third-party services,
ensuring seamless integration and compliance. As we roll out new versions, address-
ing potential bugs and user environment variability becomes paramount, necessitating
thorough code refactoring processes to optimize performance and stability. Finally,
integrating with emerging social media platforms necessitates backend modifications,
highlighting the importance of integration and migration strategies in our mainte-
nance predictions. Overall, these proactive measures ensure our travel website remains
robust, adaptable, and responsive to evolving customer demands and technological ad-
vancements.

38
9 Appendix-I
DFD (Data Flow Diagram) helps us understand the how the data is flowing across the
system and what is the relation between the functions of the system. Level 0 DFD and
Level 1 DFD of Efficiency Monitor are shown in figure-9.1 and figure-9.2 respectively.

9.1 Level-0 Data Flow Diagram

Visitor

View Packages
Package Info

Select/Book Packages
Registered User Odyssey Travel System
Booking Confirmation

Manage Packages/Bookings
System Updates

Admin

Figure-9.1: Level 0 DFD of Travel Agency Software

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9.2 Level-1 Data Flow Diagram

View Packages Manage Packages

Visitor 1. Browse Packages Package Database
Package Info

View Packages
2. Register/Login

Login Info
Update Packages
Booking Confirmation Store Booking
Registered User 3. Book Packages Booking Database
Select/Book Packages

Update Bookings

4. Manage Bookings

Manage Packages/Bookings
Admin 5. Manage Packages

Figure-9.2: Level 1 DFD of Travel Agency Software

Conclussion
The Odyssey Travel Agency project is poised to The Odyssey Travel Agency project aims
to simplify and enhance the way people plan and manage their travels. Our platform
makes it easy for users to book flights, hotels, and tour guides through a user-friendly
interface, ensuring a smooth and enjoyable experience. With real-time updates and
secure transactions, users can confidently organize their trips, whether it’s for a quick
getaway or an extended adventure. We also provide personalized recommendations and
support for applying discounts, making travel planning more affordable and efficient.
As we continue to develop our platform. Our goal is to make Odyssey Travel Agency a
reliable and helpful tool that travelers can depend on for all their journey needs.

40