Question $1$: Draw context data flow diagram for Hotel Reservation system based on the following scenario:Hotel reservation system deals with two external parties, which are guest and admin. The system provides room information to guest, and receives filled reservation and cancellation forms from guest. On other side, the system provides reservation$/$cancellation information, guest and waiting information to admin, and receives up$/$down hotel information from admin.Question $2$: Draw level $0$ DFD diagram for Hotel Reservation system $($previous diagram$)$ based on the following scenario:The guest provides the filled reservation form to the process for completing reservation, called reservation$/$cancelation process.This reservation information will be stored.Reservation$/$cancelation process provides the reservation information for room selection and prepares report to admin. In addition, the guest provides the filled cancelation form for enquiry, which has influence on Reservation$/$cancelation process, and down and up storages.Question $3$: Draw level $1$ DFD diagram for reservation$/$cancelation process $(0$ level diagram$)$ based on the following scenario:The process performs many tasks, which are: query, reservation, cancelation, searching for rooms.You have to complete the relationships between these processes and storages.