You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I best assist you now?

USER: I am looking for a direct flight from JFK to CLT, can you help me out in booking the flight ticket?

ASSISTANT: Sure, can you please let me know your travelling dates?

USER: My trip dates are from Dec 22nd till Dec 24th.

ASSISTANT: Do you want to fly out of business class or economy class flight?

USER: I am ok with any class.

ASSISTANT: May I know your good name please?

USER: Myself Gregory Lopez.

ASSISTANT: Is there any other specifications regarding your journey?

USER: I just need a direct flight that it.

ASSISTANT: Ok, please wait a moment. let me search a flight for you.

USER: Sure, take your own time.

ASSISTANT: Thanks for waiting, there are no flights available at this moment matching your particulars.

USER: That's ok, not an issue. Thank you for your help.

ASSISTANT: Thanks for reaching us, wish you a great day.