You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I serve you today?

USER: I would like to enquire about the flights from New York, because I need to attend my Niece birthday function. Can you please help me for that?

ASSISTANT: Sure, could you please mention with your dates of journey?

USER: I am happy for your quick response, my planned journey dates are Jan 18 and Jan 20.

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

USER: The source and destination airport codes are JFK and EWR.

ASSISTANT: May I know your name please?

USER: My name is Frank Davis.

ASSISTANT: Do you have any other specifications please?

USER: No, I didn't have any other specifications.

ASSISTANT: Please wait for a mean while.

USER: Apologies, I am willing to travel in a direct flight.

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

USER: It's ok, not a problem with that. Anyways thank you.

ASSISTANT: You are welcome.