You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I render you today?

USER: Help me in booking a flight from DTW to ATL?

ASSISTANT: Sure, may I know your good name?

USER: I am Brian Moore.

ASSISTANT: Do you have any preferences?

USER: I prefer connecting flight.

ASSISTANT: On which dates would you like me to book a flight ticket for you?

USER: I like to travel on Nov 13 to 15.

ASSISTANT: We found a connecting flight 1020 from United airlines has fare 200.

USER: Proceed for booking.

ASSISTANT: Your ticket has been confirmed in economy class.

USER: Thank you.

ASSISTANT: Thank you for choosing us.