You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

USER: Can you please help me in reserving the ticket from DEN to JFK?

ASSISTANT: Sure, we are glad to help you. Can I have your travelling dates?

USER: I would like to travel on Nov 14 and again I will return back on Nov 16.

ASSISTANT: Do you have any break in between journey?

USER: I am comfort to travel in single connection flight.

ASSISTANT: Is there any other specifications for you?

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

ASSISTANT: Can I have your good name?

USER: Myself Margaret White.

ASSISTANT: Sorry, no flights are available on your journey routes.

USER: Not a big deal, anyhow thank you very much for your kind information.

ASSISTANT: Thank you for availing us.