You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Myself Richard Moore.

ASSISTANT: How can I assist you?

USER: I need to schedule my trip to travel New York. Can you please help me in reserving the ticket from DFW to JFK?

ASSISTANT: Sure, can I know the travel dates please?

USER: I am planning my trip on Feb 20, and again I will return back on Feb 22.

ASSISTANT: Could you please provide the departure and return time?

USER: My depart time is morning.

ASSISTANT: Do you have any requirements?

USER: I am flexible with single connection.

ASSISTANT: Ok, wait a moment please.

USER: Sure, I will wait for your response.

ASSISTANT: Sorry, there are no flights available as per your request.

USER: Not a big problem, anyhow thank you very much for your service.

ASSISTANT: Thank you for approaching us.