You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Myself Carol Rodriguez.

ASSISTANT: How canI help you?

USER: Will you help me in booking the flight ticket from DCA to PHX?

ASSISTANT: Carol Rodriguez, I am here to help you for this. When you are willing to leave?

USER: My travelling dates are Nov 29 and Dec 01.

ASSISTANT: Do you have any airline preference?

USER: No, I am comfortable in any class. I need a flight with single connection in economy class and my return time is afternoon.

ASSISTANT: As per your data, there is a flight with Spirit Airlines and the ticket fare is 200. Would you like me to make the booking now?

USER: Sure, you can proceed with the booking.

ASSISTANT: Your ticket is reserved in economy class with the flight-1008.

USER: Thank you for helping me.

ASSISTANT: Thank you very much for reaching us.