You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: Stephanie Harris here. I want to attend a Seminar in Atlanta. Can you please help me for booking the flight ticket?

ASSISTANT: Sure, can I know the travel dates please?

USER: My travelling dates are from 11/29 to 12/01.

ASSISTANT: Could you please provide the airport codes?

USER: My airport codes are from IAD to ATL.

ASSISTANT: There is a connecting flight in Delta airline with price 200, can I book it?

USER: Please proceed for booking the flight ticket.

ASSISTANT: Your ticket has been booked with flight number 1012.

USER: Thanks for helping me.

ASSISTANT: You are welcome.