You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, what can I do for you today?

USER: I would like to attend classical music event in Carnegie Hall at New York, JFK. Can you help check with the availability of flights?

ASSISTANT: Sure, let me know your source airport code?

USER: I want to take off from Atlanta, ATL.

ASSISTANT: Can you pass on your travel dates?

USER: Sure, I want to travel on Dec 2, and need to catch return flight on Dec 4.

ASSISTANT: Would you like any break in your journey?

USER: Yes, I need one break in between the journey.

ASSISTANT: Is there any class preference?

USER: No, I am happy with any class.

ASSISTANT: Do you have any specific travel timings?

USER: There is no specific time preference for my journey.

ASSISTANT: May I know your airline preference?

USER: I am fine with either economy class or business class.

ASSISTANT: Ok, please mention your name to proceed further?

USER: Sure, thank you for asking. Please reserve the ticket on the name Paul Phillips.

ASSISTANT: Sorry, no flights found as per your request.

USER: So, sad to hear that from you. I will go with other agency. Anyway thank you for checking as per my request.

ASSISTANT: Thank you for contacting us.