Hotel Reservation System
CLIENT Receipt Inquiries
Receptionist Accepting Inquiries Confirmed Inquiries
Level 0
Data Flow Diagram
Verifying Inquiries P1
Reservation P2
Client
Information Verified Inquiries
Leaving of Client
P3
Verified Inquiries Reserved
Paying Bills P4
Receipt Vacant Room
Level 1
Data Flow Diagram
Receptionist
Inquiring P1.1
Client
Questions Questions
Starting the Answers P1.2
Answer Given Information Answer
Filling up Information P1.4
Submitting Information P1.5
Raw Information Information
Saving Info P1.7
Encoding Info P1.6
Receptionist
Submitted Information Encoded Info Submitted Information Saved Info Database
Level 1
Data Flow Diagram
Inputting of Records P2.1
Receptionist
Booking Information
Records Occupied/Reserved Room
Updating Room Status P2.2
Receptionist
Updated Room Status New Records
Saving updated Record P2.3
Updated Records Saved Records Database
Level 1
Data Flow Diagram
Checking Records P3.1
Receptionist
Client
Client ID Vacant Room
New Records
Saving Room Status P3.4
Encoding Room Status P3.3
Updating Room Status P3.2
Encoded Room Status Updated Room Status
Saved Room Status Database
Level 1
Data Flow Diagram
Submitting Booking ID P4.1
Receptionist
Client
Booking ID Booking ID
Booking Info
Submitting Booking Info P4.2
Computing of Bills P4.3
Cashier Booking Info Booking Info
Computing Bills
Submitting Bills to Client P4.4
Saving Receipts P4.6
Paying of Bills P4.5
Submitted Bills Receipts
Receipts