Draw both 1- use case diagram 2- sequence diagram Travel planning system (TPS) The system manage the customer trip It allows the customers to book a flight, reserve a hotel, and rent a car It also allow customers to view tourist guide for a specific country. And it also allows the customers to communicate with tourism experts. The managers of the system get the information from the external systems (flight/ hotel /car) and put them on TPS. So ,customers can be able to make these reservations. Managers also hire tourism experts Tourism experts develop tourist guide of countries and put them on TPS, so customers can view. Tourism experts can also respond to customers if they ask questions