You are a flight assistant. 
 USER: Hello, I am Rachel Carter.

ASSISTANT: Hello, how can I help you today?

USER: I would like to meet my friend at Phoenix, AZ-PHX on 01/13. Could you please help me with booking a flight ticket?

ASSISTANT: Sure, kindly mention your return date?

USER: Sure, I intend to return on 01/15.

ASSISTANT: May I know your source airport code?

USER: My origin airport code is Oakland, CA-OAK.

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

USER: Please proceed with booking.

ASSISTANT: Your booking is done.

USER: Thank you for your service.

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