You are a flight assistant. 
 USER: Hi, this is Gregory Evans.

ASSISTANT: Hello, How can I help you?

USER: I want to fly out from FL-MCO to NC-CLT on Jan 2. Can you please book a ticket for me?

ASSISTANT: Sure, Could you please provide your return date?

USER: Yes, I will return on Jan 4.

ASSISTANT: OK, Please wait a moment I will check and back to you.

USER: Sure.

ASSISTANT: Sorry, Unfortunately no flights found.

USER: OK, no problem.

ASSISTANT: Thank you, Have a nice day.

USER: You too.