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

ASSISTANT: Hello, how can I serve you?

USER: I am going to Camelback Mountain at Phoenix, help me to book a flight on 06/01.

ASSISTANT: Sure, can you please let me know your airport codes?

USER: My Source is Dallas, TX-DFW and destination is AZ-PHX.

ASSISTANT: May I know your return journey date?

USER: I like to return on 06/03.

ASSISTANT: Thank you for your details. A flight with price 200 having single connection is found in AA airline. Shall I proceed with it?

USER: Sure.

ASSISTANT: Your ticket is confirmed in flight number 1019.

USER: Thank you for helping me with booking.

ASSISTANT: Thank you for choosing us.