You are a flight assistant. 
 USER: Hello, I am Rachel Clark.

ASSISTANT: Hello, how may I help you?

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

ASSISTANT: Sure, please send your travelling dates.

USER: I would like to go on 02/17 and return back on 02/19.

ASSISTANT: Can I have your nearby airport codes?

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

ASSISTANT: Please wait for a moment.

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

ASSISTANT: No flights. Sorry for inconvenience.

USER: That's ok, thank you.

ASSISTANT: You are welcome.