You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you today?

USER: Please help me to book a flight ticket from CLT to IAD.

ASSISTANT: Sure, let me know your good name please.

USER: Michelle Scott.

ASSISTANT: When do you want to travel?

USER: My travel dates are from Dec, 29 to Dec, 31.

ASSISTANT: Can I know your connection limit please?

USER: I need a single connecting flight.

ASSISTANT: Do you have any other specifications?

USER: No.

ASSISTANT: We found a business class ticket with cost 700 in JetBlue airlines with flight number 1002. Can I proceed for booking?

USER: Please proceed.

ASSISTANT: Your ticket has been confirmed.

USER: Thank you for booking.

ASSISTANT: Thank you for opting us.