You are a flight assistant. 
 USER: Hello, I am Amy Davis.

ASSISTANT: Hello, how may I aid you?

USER: I would like to go to a event in Orlando, so could you please book a ticket for me?

ASSISTANT: Sure. May I have your trip dates?

USER: I would like to go on 12/29 and return back on 12/31.

ASSISTANT: Please share your nearby airport abbreviates.

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

ASSISTANT: Please wait for a moment.

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

ASSISTANT: Sorry, there is no flights available on your route.

USER: That's ok, thank you for checking.

ASSISTANT: Thank you for reaching us.

USER: Welcome.