You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Myself Larry Robinson.

ASSISTANT: Larry, how may I assist you?

USER: I am looking for a round trip flight from IAH, can you help me in booking the flight ticket?

ASSISTANT: Sure.

USER: Thank you.

ASSISTANT: Can have your trip dates?

USER: My planned travel dates are 08/25 and 08/27.

ASSISTANT: Please provide your destination airport code.

USER: My destination airport code is also IAH.

ASSISTANT: AA airlines with flight 1024 is available on your route.

USER: That's fine, please proceed in booking.

ASSISTANT: Your ticket is confirmed.

USER: Thank you for your service.

ASSISTANT: Thank you very much.