You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I aid you?

USER: I am Debra Moore. I need to book a flight ticket from IAD to ATL, can you please help me for booking?

ASSISTANT: Sure, may I know your trip dates?

USER: I would like to travel on 11/16 to 11/18.

ASSISTANT: Do you have any class preferences?

USER: I am comfortable with any class.

ASSISTANT: We found an airline: Spirit, flight number: 1011 and price is 100 with one connection. Shall I proceed to book?

USER: Ok, proceed for booking.

ASSISTANT: Your flight ticket has been booked in an economy class.

USER: Thanks for your information.

ASSISTANT: Thank you for reaching us.