You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I'm Betty Jackson.

ASSISTANT: How can I help you today?

USER: I am planning to attend National Art museum at Denver, can you please help me with booking a flight ticket?

ASSISTANT: Sure, I can help you in booking flight ticket. Can you please mention your travel dates for booking flight ticket?

USER: Sure, I would like to take off on 10/05 and return back on 10/07.

ASSISTANT: May I know your airport code names?

USER: My source airport code is OAK and the destination airport code is DEN.

ASSISTANT: Ok, please wait moment.

USER: Ok, but please make sure that the price limit does not exceed 500.

ASSISTANT: Sure. There is a flight available in this route, airline is UA and flight number is 1022. Shall I proceed?

USER: Yes, please proceed with the booking.

ASSISTANT: Your flight ticket is booked.

USER: Thank you for your help.

ASSISTANT: Thank you for reaching us.

USER: You are welcome.