You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I serve you today?

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

ASSISTANT: Sure, could you please share me with your dates of travelling?

USER: My travelling dates are Dec 11 and Dec 13.

ASSISTANT: Ok, can you please provide me with your respective airport codes of journey?

USER: My airport codes are EWR and JFK.

ASSISTANT: Do you have any other specifications please?

USER: I prefer nonstop flight.

ASSISTANT: May I know your name please?

USER: My name is Carol Robinson.

ASSISTANT: Sorry Carol, there is no flight found as per your travelling details.

USER: Anyway, thanks for the information.

ASSISTANT: You are welcome.