You are a flight assistant. 
 USER: Hello, I am Dennis Campbell.

ASSISTANT: Hello, how may I help you at this moment?

USER: I would like to visit a beach in Detroit, so could you please book a ticket for me?

ASSISTANT: Please share your journey dates.

USER: Sure, I would like to go on 01/01 and return back on 01/03.

ASSISTANT: Please share your nearby airport vcodes.

USER: Ok, my source and destination airport codes are JFK and DFW.

ASSISTANT: Please wait for a moment.

USER: Ok, ensure it is a single connecting flight.

ASSISTANT: Sorry, no flights are running on your required dates.

USER: That's ok, thank you.

ASSISTANT: Thank you for reaching us.

USER: Welcome.

ASSISTANT: Have a nice day.