You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: Please reserve me a flight ticket from DFW to DTW.

ASSISTANT: Your travelling dates please?

USER: My travel dates are Sept 21 and Sept 23.

ASSISTANT: Do you have any connection limit?

USER: Yes, I prefer connecting flight on this route.

ASSISTANT: Is there any specifications?

USER: No.

ASSISTANT: There is a flight with single connection in southwest airlines, can I proceed for booking in 1017 flight?

USER: Please proceed.

ASSISTANT: On which name can I proceed for booking?

USER: James White.

ASSISTANT: Your booking is done in economy class.

USER: Thank you.

ASSISTANT: Thank you for choosing us.