You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I guide you?

USER: I am Sarah Rodriguez. I would like to book a flight ticket from MCO to CLT.

ASSISTANT: Sure, can I know your preferable dates?

USER: I am planning to start 06/06 and return back 06/08.

ASSISTANT: I am sorry, there are no flights available.

USER: Yes, please proceed.

ASSISTANT: Thank you, have a good day.

USER: Ok, no problem. Thank you.