You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I serve you at this moment?

USER: I am planning to book a ticket from JFK to CLT. Can please help me out?

ASSISTANT: Sure, please let me know your journey dates?

USER: I am planning to travel on Nov 29 and return back on Dec 01.

ASSISTANT: May I know your connection limit?

USER: I am looking for a connecting flight.

ASSISTANT: May I know your name please?

USER: My name is Jason Young.

ASSISTANT: Do you have any more specifications in your journey?

USER: My depart time is evening and return time should be afternoon.

ASSISTANT: Sorry, there are no flights are available matching your details.

USER: That's fine, thank you for your information.

ASSISTANT: Thank you for choosing us.