You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: I am Kevin Clark, I would like to fly New York for seeing expo there. So, please help me to book a flight ticket from New York, NY - JFK.

ASSISTANT: Ok, may I know your destination airport code please?

USER: My destination airport code is NY - LGA.

ASSISTANT: Ok, please mention your journey dates.

USER: My journey dates are 10/31 and 11/02.

ASSISTANT: May I know your name please? Kevin, please wait a moment.

USER: Ok, sure take your time.

ASSISTANT: Thank you for your patience, there is a flight for you in AA airlines with price 100. Can I proceed?

USER: Yes, please proceed with my booking.

ASSISTANT: Ok, your ticket has been booked with flight number 1001.

USER: Thank you for the booking.

ASSISTANT: Thank you for choosing us.