This report details the design and analysis of the World Tours online reservation and payment system. It encompasses a range of UML diagrams, including use case, activity, sequence, and state chart diagrams, to illustrate the system's functionality and user interactions. The report also includes use case descriptions and user interface designs, providing a complete view of the system's architecture. The content covers user workflows such as checking user existence, entering personal and reservation details, generating unique IDs and passwords, and the processes for logging in, searching for tours, requesting reservations, modifying reservations, viewing reservations, confirming tour packages, and making payments. The report also includes recommendations and a conclusion summarizing the key findings and implications of the system design.