Write a program using Java

Question 1 As an application designer, you need to write a complete program using java about travel agency booking system. In this program, you should have include class customer and class staff. For the class customer you need include Userld,contNum,name, Bookingld and please add with your own logic. For the staff class you need include Staffld, Name, TotalSale and please add other with your own logic. This program must have function that customer can making a booking and staff will receive the confirm booking from customer. You need Use your own idea and creativity to make sure this program is relevant. Please show your program and output. (20 MARK)