You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you for the day?

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

ASSISTANT: Sure, I am here to help you with that flight ticket booking. May I know your travelling dates, please?

USER: My travelling dates are Sept 03 and Sept 05.

ASSISTANT: Do you have any class preference?

USER: I always prefer business class.

ASSISTANT: May I know your name please?

USER: Myself Eric Hall.

ASSISTANT: Do you have any other specifications?

USER: I need a flight with single connection.

ASSISTANT: There is a connecting flight-1019 in Southwest Airlines with a fare of 1100. Shall I book it?

USER: sure, you can proceed with the booking.

ASSISTANT: Your booking is done in business class.

USER: Thank you for helping me.

ASSISTANT: Thank you for reaching us, have a safe journey.