Do a DFD for this
BookYourHoliday is an intermediary agency that needs a system for online booking with the following requirements:
1) The system receives the travel agents and customers registration information . this information is saved in the registration file.
2) The system should allow the travel agents to register their packages (trips) and this information is saved in the trips information file.
3) The system allows Customers to view the available packages provided by the agents and then book their trips. The booked trips are saved in the booking file.
4) The system informs the travel agent of the bookings made by customers by sending a notification to the agent
5) The customer makes the payment to the agent’s bank account directly