You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: I would like to travel from LAS to JFK as a holiday trip.

ASSISTANT: On which dates you are planning to travel?

USER: My trip dates are 04/10 and 04/12.

ASSISTANT: Do you any other requirements?

USER: I need break in my journey.

ASSISTANT: May I know your name please?

USER: James Turner here.

ASSISTANT: Sorry, there is no flight available as per your request.

USER: No problem, Thanks for the information.

ASSISTANT: Most welcome.