You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you?

USER: I am George Allen. I have to attend a Live Concert at Phoenix, could you please help me with booking a flight ticket?

ASSISTANT: Sure, may I know your trip dates?

USER: I would like to take off on 04/09 and return on 04/11.

ASSISTANT: Help me with your airport codes.

USER: My source airport code is AUS and destination airport code is PHX.

ASSISTANT: There is a connecting flight with fare 400 , the number is 1018 in airline Frontier. Can I book it?

USER: Please confirm the booking if the connection is 1.

ASSISTANT: Your ticket is booked.

USER: I really appreciate your help, thank you for your service.

ASSISTANT: Thank you for reaching us.