You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: Myself Anna Parker. As I am new to this booking process, will you help me in booking the flight ticket?

ASSISTANT: Definitely, please provide me your airport codes please?

USER: My nearest origin airport code is LAX and destination airport code is DEN.

ASSISTANT: On which dates your planning to travel?

USER: I planned to start my journey on 10/29.

ASSISTANT: When do you like to return back?

USER: I would like to return on 10/31.

ASSISTANT: I found a flight for you with single connection it costs you 100, can I proceed for booking in AA airlines?

USER: Ok, proceed with the booking.

ASSISTANT: Your booking is done in 1003 flight.

USER: Thank you for helping me.

ASSISTANT: Thank you for choosing us.