You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I serve you the best today?

USER: Can you please help me to book a flight from DFW to DEN?

ASSISTANT: Sure, please share me your trip dates.

USER: Sure, I want to travel on Mar 9 and need to return on Mar 11.

ASSISTANT: Do you need direct flight or connecting flight?

USER: I need a connecting flight.

ASSISTANT: For booking, we need your good name. Please mention it.

USER: Carol White.

ASSISTANT:  Would you let us know if you have any other preferences?

USER: I do not have any other specifications.

ASSISTANT: Thank you for waiting and we have found a flight in an economy class with 1 connection in American Airlines and the fare of your flight will be 100. Do you like me to proceed your booking with this flight?

USER: Ok, please proceed.

ASSISTANT: Your booking is done with flight number 1017.

USER: Thank you.

ASSISTANT: Thank you for opting us.