Data Flow Diagram for Ars
Level (0) Data Flow Diagram
[pic]
Level (1) Data Flow Diagram of General Enquiry
[pic] Level 1DFD of Passenger Enquiry Section
[pic]
Level 2 DFD of Booking
[pic]
Level 2 DFD Cancellation
-----------------------
Passenger
1.0
General
Enquiry
2.0
Passenger
Enquiry
3.0
Booking
Counter
4.0
Cancellation
Information
Booking Inquiry
New Passenger Information
Reservation Request
Ticket Confirmation and Status
Cancellation Request
Acknowledgement
Passenger
1.0
General
Enquiry
1.2 Fare
Enquiry
1.3
Discount
1.1
Flight
Enquiry
Flight
R
E
Q
U
E
S
T
I
FO
R
M
A
T
I
O
N
Fare
Discount
R
E
Q
U
E
S
T
I
FO
R
M
A
T
I
O
N
I
FO
R
M
A
T
I
O
N
R
E
Q
U
E
S
T
Request Information
Required Information
R
E
Q
U
E
S
T
I
FO
R
M
A
T
I
O
N
I
FO
R
M
A
T
I
O
N
I
FO
R
M
A
T
I
O
N
R
E
Q
U
E
S
T
R
E
Q
U
E
S
T
Status
Cheque
Number
Status
Credit Number
Status
Pay
Cash
Set status
To confirmation/
Waiting
Cash Payment Status
Acknowledgement
Entry Stand by Date
Booking Later
Update
Booking Now
Acknowledgement
Update
Ticket (On the Spot)
Cheque
Credit
Cash
3.0 Mode of
Payment
Booking
Booking
3.2 On the
Spot
3.2 Stand by
Booking
Passenger
Passenger
3.0 Booking
Counter
Passenger
1.0
Passenger
Enquiry
1.1 Fare
Enquiry
1.2
Passenger
Enquiry
Passenger
Passenger
New passenger or
Required Information
Entry of New Record
Or existing passenger
Enquiry
Unique
Passenger
R e q ue s t R e q ue s t R e q ue s t R e q ue s t I nf o
[pic]
Level (1) Data Flow Diagram of General Enquiry
[pic] Level 1DFD of Passenger Enquiry Section
[pic]
Level 2 DFD of Booking
[pic]
Level 2 DFD Cancellation
-----------------------
Passenger
1.0
General
Enquiry
2.0
Passenger
Enquiry
3.0
Booking
Counter
4.0
Cancellation
Information
Booking Inquiry
New Passenger Information
Reservation Request
Ticket Confirmation and Status
Cancellation Request
Acknowledgement
Passenger
1.0
General
Enquiry
1.2 Fare
Enquiry
1.3
Discount
1.1
Flight
Enquiry
Flight
R
E
Q
U
E
S
T
I
FO
R
M
A
T
I
O
N
Fare
Discount
R
E
Q
U
E
S
T
I
FO
R
M
A
T
I
O
N
I
FO
R
M
A
T
I
O
N
R
E
Q
U
E
S
T
Request Information
Required Information
R
E
Q
U
E
S
T
I
FO
R
M
A
T
I
O
N
I
FO
R
M
A
T
I
O
N
I
FO
R
M
A
T
I
O
N
R
E
Q
U
E
S
T
R
E
Q
U
E
S
T
Status
Cheque
Number
Status
Credit Number
Status
Pay
Cash
Set status
To confirmation/
Waiting
Cash Payment Status
Acknowledgement
Entry Stand by Date
Booking Later
Update
Booking Now
Acknowledgement
Update
Ticket (On the Spot)
Cheque
Credit
Cash
3.0 Mode of
Payment
Booking
Booking
3.2 On the
Spot
3.2 Stand by
Booking
Passenger
Passenger
3.0 Booking
Counter
Passenger
1.0
Passenger
Enquiry
1.1 Fare
Enquiry
1.2
Passenger
Enquiry
Passenger
Passenger
New passenger or
Required Information
Entry of New Record
Or existing passenger
Enquiry
Unique
Passenger
R e q ue s t R e q ue s t R e q ue s t R e q ue s t I nf o