You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you today from my end?

USER: Margaret Jackson here. I have to attend a business meeting at New York, can you help me to book a flight ticket from IAD to JFK?

ASSISTANT: Sure, I am glad to help you out. Please provide me your trip dates.

USER: My travelling dates are 17 and 19 in the month of Dec.

ASSISTANT: Do you have any requirement?

USER: Yes, I need a connecting flight.

ASSISTANT: Here is a connecting flight with 200 airfare, can I proceed with it?

USER: Please proceed to booking.

ASSISTANT: Your ticket has been booked with 1009 flight.

USER: Thanks for helping me.

ASSISTANT: Thank you for reaching us.