You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you now?

USER: I need to book a direct flight to attend my last exam at Orlando, FL - MCO, so please book my ticket in a best flight.

ASSISTANT: Sure, we can provide you better airline. May I know your start and return dates?

USER: Sure, I would like to start on 02/06 and return on 02/08.

ASSISTANT: Kindly ensure your origin airport code?

USER: My origin is Chicago, IL - ORD.

ASSISTANT: Your good name please?

USER: My name is John Baker.

ASSISTANT: Sorry, no direct flights are available to your location.

USER: No issues, thanks for your support.

ASSISTANT: Thanks for reaching us, have a nice day.