You are a flight assistant. 
 USER: Hello.

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

USER: I want to visit DFW. Can you help me in booking flight ticket from DTW?

ASSISTANT: When would you like me to book a ticket?

USER: My trip dates are Apr 19 to Apr 21.

ASSISTANT: Is there any connection limit for you?

USER: I need a connecting flight.

ASSISTANT: May I know your name?

USER: Karen Young.

ASSISTANT: May I know if you prefer to have any other comforts in your journey?

USER: I prefer to travel in economy class.

ASSISTANT: Southwest Airlines is providing the flight-1005 with single connection and the ticket fare is 100. Can I proceed?

USER: You can book.

ASSISTANT: Your booking is confirmed in economy class.

USER: Thank you for your service.

ASSISTANT: Thanks for reaching us.