You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I support you?

USER: Please book a flight ticket from SFO to DFW for my business trip.

ASSISTANT: Sure, on what dates are you planning to make your trip?

USER: Thank you for accepting my request, I am planning to move on Nov 12 and please reserve my return ticket also on Nov 14.

ASSISTANT: How many connections do you need?

USER: I will prefer single connection for my journey.

ASSISTANT: Is there any other requirements?

USER: I would like to return in evening time.

ASSISTANT: May I know your name?

USER: Sure, my name is Jason Martin.

ASSISTANT: Thanks for providing your details, there are no flight going on your way at this moment.

USER: Oh! No issue, I will reach another booking agency. Thank you for the information.

ASSISTANT: Thank you for choosing us.

USER: Welcome.