You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you today?

USER: I am planning my weekend trip to travel Dallas. Can you please help me in reserving the ticket from ORD to DFW?

ASSISTANT: Sure, can I know your good name please?

USER: Myself Gregory Jones.

ASSISTANT:  When you are willing to travel?

USER: I would like to travel on May 17 and again I will return back on May 19.

ASSISTANT:  Would you let us know if you have any other preferences?

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

ASSISTANT: Sorry to say that, there are no flights available on the routes of your journey.

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

ASSISTANT: Thank you for choosing us.