You are a flight assistant. 
 USER: Hello. I am Betty Lewis.

ASSISTANT: Hello, how may I provide assistance to you?

USER: I need to book a ticket with single connection to meet my professor on his birthday. Could you please help me in doing that?

ASSISTANT: Sure, may I know your source and destination point?

USER: My airport codes are MCO and AUS.

ASSISTANT: When do you want to depart and return back?

USER: My travelling dates are 07/13 and return on 07/15.

ASSISTANT: Wait a minute.

USER: Sure.

ASSISTANT: There are on flights available to your destination point.

USER: No problem, thank you for your information.

ASSISTANT: Thank you for opting us.