You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. how can I assist you now?

USER: I want to attend a Seminar in New York. Can you please help me for booking the flight ticket?

ASSISTANT: Sure, I am happy to help you with that. Can I have your travel dates please?

USER: My travelling dates are July 12 and July 14.

ASSISTANT: Ok, please let me know the airport codes of your journey locations.

USER: My airport codes are ATL and JFK.

ASSISTANT: Can you please provide me your preferable timings of your journey?

USER: I want to depart in evening.

ASSISTANT: Are you looking for any connecting flight or direct flight only you want?

USER: Connecting flight.

ASSISTANT: Can I have your good name please?

USER: My name is Frank Phillips.

ASSISTANT: Sorry to inform you that no flight is available to you on your dates in evening time.

USER: Anyway, thanks for the information.

ASSISTANT: Thank you for choosing us, have a good day.