You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, what can I do for you today?

USER: Can you help me to book a flight ticket from DFW to DTW?

ASSISTANT: Sure, I am glad to help you.

USER: Thank you.

ASSISTANT: What you prefer either a connecting flight or a direct flight?

USER: I prefer connecting flight.

ASSISTANT: Ok, help me with your planned dates.

USER: My travel dates are Sept 04 and Sept 06.

ASSISTANT: Let me know your name.

USER: I am Patrick Miller.

ASSISTANT: Do you have any other concerns?

USER: No.

ASSISTANT: As per your information, we found a connecting flight with a fare of 200 in American Airline. Shall I proceed?

USER: Please proceed to book my flight ticket in this airlines.

ASSISTANT: Ok, your ticket has been confirmed.

USER: Thank you.

ASSISTANT: Thank you for choosing us.