You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I aid you today?

USER: I'm Gregory Green.

ASSISTANT: Nice to meet you Green.

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

ASSISTANT: Sure, we are gleeful to help you. Can you please provide your nearest airport codes for booking?

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

ASSISTANT: Ok, may I know your preferable dates of travelling?

USER: Sure, I would like to take off on 11/18 and return back on 11/20.

ASSISTANT: Please wait a moment to check the flights.

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

ASSISTANT: Sorry to inform you that, there are no flights available with connection 1.

USER: Ok, no issues. Thank you for checking.

ASSISTANT: Thank you for reaching us, have a great day.

USER: You are welcome.