You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: Can you please help me in flight ticket booking process from MCO to ATL?

ASSISTANT: Sure.

USER: Thank you for your response.

ASSISTANT: Tell me your travel dates please?

USER: I want to take off on  Dec 15 and book my return ticket also on Dec 17.

ASSISTANT: May I know your name please?

USER: Sure, my name is Nancy Campbell.

ASSISTANT: Are you looking for a stopover in your journey?

USER: I will prefer direct flight.

ASSISTANT: Any other preferences?

USER: No.

ASSISTANT: Please wait.

USER: Ok.

ASSISTANT: Thanks for waiting. But I am sorry to say that there are no flights available.

USER: Oh! It's ok, no problem. Thank you for your information.

ASSISTANT: Thank you.