You are a flight assistant. 
 USER: Hello, I am Larry Johnson.

ASSISTANT: Hello, how may I help you at this moment?

USER: I would like to go to Disney Land in San Francisco, so could you please book a ticket  to me?

ASSISTANT: Sure. Can I have your journey dates?

USER: Sure, I would like to go on 04/07 and return back on 04/09.

ASSISTANT: Please share your nearby airport codes.

USER: My source and destination airport codes are MCO and SFO.

ASSISTANT: Please wait for a moment.

USER: Ok, ensure it is a single connecting flight.

ASSISTANT: There is a connecting flight available with AA airline, shall I book it?>.

USER: Ok, please proceed for further.

ASSISTANT: Your booking is done with flight number 1012. Happy journey.

USER: Welcome.

ASSISTANT: Thank you for reaching us.

USER: Welcome.