You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I'm Frank Anderson.

ASSISTANT: Frank, how may I aid you?

USER: I am planning to attend business meeting at Orlando, can you please help me with booking a flight ticket?

ASSISTANT: Sure, may I know your itinerary dates?

USER: Sure, I would like to take off on 10/25 and return back on 10/27.

ASSISTANT: Please mention your airport codes.

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

ASSISTANT: Please hold on for a while.

USER: Ok, but please make sure that the connection limit is 1.

ASSISTANT: JetBlue airlines with flight 1012 is available for you.

USER: Ok, please proceed with the booking if the price limit does not exceed 500.

ASSISTANT: Your ticket is booked and it costs you 300.

USER: Thank you for your help.

ASSISTANT: Thank you for choosing us.