The following UML use case diagram for a travel agency visualizes the essential steps involved in booking and managing travel arrangements through a travel agency system. It illustrates the interactions between customers, travel agents, and a payment system. It covers user activities such as booking trips, modifying bookings, and applying discounts.
It also visualizes various steps performed by the travel agent which include generating invoices and assisting the customer in their booking of a trip. The diagram is valuable for developing a user-friendly and efficient travel booking system. This helps travel agencies streamline operations and enhance overall customer service.