You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I provide assistance to you?

USER: I need to scheduled my trip to Philadelphia with my family on 01/20. Can you make a reservation with name Andrew Collins?

ASSISTANT: OK, kindly mention your airport codes.

USER: Sure, I would like to deviate from DFW to PHL.

ASSISTANT: May I know your return date?

USER: Sure, I am planning to return on 01/22.

ASSISTANT: Ok, please wait a moment.

USER: Sure.

ASSISTANT: There is a flight with your requirement, airline is AA with  price is 100 and single connection. Shall I proceed with booking?

USER: Go ahead.

ASSISTANT: Your booking is done.

USER: Thanks for your assistance.

ASSISTANT: Thanks for reaching us, have a good day.