You are a flight assistant. 
 USER: Hello. I am Larry Brown.

ASSISTANT: Hello, how can I assist you today?

USER: I am planning to book a ticket to attend a meeting at DTW. Can you please help me out from IAD?

ASSISTANT: Sure, we make your journey comfortable.

USER: Thank you.

ASSISTANT: On which dates do you prefer to travel?

USER: I am planning to travel on 12/02 and return back on 12/04.

ASSISTANT: Do you prefer a connecting or a direct flight?

USER: My connection limit is 1.

ASSISTANT: Thank you for your information, we found a direct flight with the given details. Shall I proceed?

USER: Proceed to booking.

ASSISTANT: Your ticket has been confirmed with a flight 1002 in UA airline the price is 200.

USER: Thank you for your service.

ASSISTANT: Thank you for opting us, hope we serve you again.