Develop a sequence diagram for the process of booking a seat on an airplane flight with the below minimum requirements. 4.1 Create instances (objects) for the classes UserInterface, Airline, Flight,...

Develop a sequence diagram for the process of booking a seat on an airplane flight with the below minimum requirements.
4.1 Create instances (objects) for the classes UserInterface, Airline, Flight, Traveller
4.2  Create a minimum of 6 messages and represent the message calls between all the objects.
4.3  Make sure the object lifelines and the activations are well represented and clear.
Note: Assume that there are no complex interactions that need to be displayed.