You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

USER: Can you  please book a flight ticket from SFO to DTW?

ASSISTANT: May I know your trip dates?

USER: Thank you. I have  planned my travel  dates as Oct 31 and Nov 02.

ASSISTANT: Is there any connection limit?

USER: I am looking for single connecting flight.

ASSISTANT: Is there any other preferences?

USER: Yes, I would prefer economy class only to travel.

ASSISTANT: Please help me with your name?

USER: Sure, myself Nicole Johnson.

ASSISTANT: American Airlines providing connecting flight in the economy class with fare 100, shall I proceed for booking?

USER: That is fine,  please proceed with booking.

ASSISTANT: Your ticket has been confirmed with flight number 1003.

USER: Thank you for your help.

ASSISTANT: Thank you for opting us.

USER: Most welcome.