Hotel Reservation System

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Room info

Rooms
Amenities Info

Staff

Guest
0

Hotel Reservation System
Hotel Reservation System
Guest Information / Reservation Request

Context Diagram
Staff Account Information

Rooms Information

Check-in Request

Cancelation Request

Reservation information

Check out request

Staff Profile

Notifications

Context Diagram is a top-level view of an information system that shows the system’s boundaries & scope. This Diagram shows the name of the system and its interaction, processes and flow to its entities.

DFD 0 : Hotel Reservation System

3

Payment Process
Reservation Info.
Guest
Extension info
4
Room record

Update Reservation

2

Check room availability
Rooms
D1
Reservation
Reservation record

Staff
1

Fill-out Reservation

Payment info
Reservation Request
Cancellation Request
Guest

Payment data

Check Room Availability
Invoice Request
Payment
Payment detail
Payment
D3

Room info
Payment Data

Room info
Produce Invoice

Invoice
5
Guest

D2
Room
Reservation info

Aminities Record

Staff

D4
Amenities

Amenities Information

Amenities
Update Request

Notification

Diagram 0 zooms in on the system and shows major internal processes, data flows, and data stores. This diagram 0 shows the exploded diagram of the process 1 of the context diagram.

DFD 1: Hotel Reservation System

Reservation info
Reservation Request
1.2

Check Room Availability

Fill-out Reservation
1.1

Notification
Staff Clerk
Guest

Room Info.
Reservation
D1
Reservation
info
Reservation
info
Notifications
Check-in
Check-out
Clerk Staff

D1
Reservation
1.5

Find reservation record
Reservation
invoice
Reservation
info
Guest
1.4

Produce reservation invoice
Reservation record
D1

Reservation
1.3

Update reservation record
v

Diagram 1 is the exploded processes of the process 1.1 of the Diagram 0. This diagram contains detailed processes and flows of an information system.
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