You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: I would like to meet my brother at Detriot. Can you please help me in booking the flight ticket from DEN to DTW?

ASSISTANT: Sure, May I know your travelling dates?

USER: My travel dates are June 28 and June 30.

ASSISTANT: Ok, please help me with your connection limit.

USER: I need a single connection flight.

ASSISTANT: Ok, Do you have any class preference?

USER: No.

ASSISTANT: Ok, Is there any other preferences?

USER: No.

ASSISTANT: Ok, please provide your name.

USER: Andrew Thomas.

ASSISTANT: Thank you for providing details, we found a connecting flight in 1002 Southwest Airlines with a fare of 200. Can I proceed for booking?

USER: Please proceed.

ASSISTANT: Your ticket has been booked.

USER: Thank you for the service.

ASSISTANT: Thank you for choosing us.