You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: I'm Gregory King.

ASSISTANT: Ok.

USER: I am planning to travel from AUS to PHX to attend live concert at Phoenix, can you please help me with booking a flight ticket?

ASSISTANT: Sure, I will help you in booking. May I know your travelling dates?

USER: Sure, I would like to take off on 12/03 and return back on 12/05.

ASSISTANT: Sure, do you have any other requirements?

USER: Yes, make sure that the price limit should not exceed 500.

ASSISTANT: There is a UA 1016 airline which matches your requirements. Shall I proceed?

USER: Yes, please proceed with booking.

ASSISTANT: Your booking has been confirmed.

USER: Thank you for your help.

ASSISTANT: Thank you for approaching us.

USER: You are welcome.