You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you at this moment?

USER: I am planning to visit New York, will you help me in booking the flight ticket from IAD to EWR?

ASSISTANT: Sure, I am here to help you. Can you please provide your journey dates?

USER: My travelling dates are Feb 14 and Feb 16.

ASSISTANT: Do you have any connection limit preference for this trip?

USER: I need a connecting flight.

ASSISTANT: Do you have any class preference for this trip?

USER: I always prefer economy class.

ASSISTANT: Do you have any other specifications for this trip?

USER: No, thank you for asking.

ASSISTANT: May I know your good name please?

USER: Myself Mark Roberts.

ASSISTANT: Southwest Airlines is providing connecting flight on this route with a ticket fare of 100 and flight departs at 20:00PM and arrives at 1:00AM, shall I book your ticket in this flight?

USER: Sure, you can proceed with the booking.

ASSISTANT: Mark Roberts, your ticket is booked in economy class of flight number 1002.

USER: Thank you for helping me.

ASSISTANT: You are welcome and have a safe journey.