You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I best serve you?

USER: I want to book a flight ticket to Boston with price under 200. can you help me with it?

ASSISTANT: Sure, let me know your name please?

USER: Sure, my name is John White.

ASSISTANT: Kindly provide your origin and destination location codes?

USER: Origin is JFK and destination is BOS.

ASSISTANT: Ok, may I know your specified dates of journey?

USER: Journey dates are 09/28 and 09/30.

ASSISTANT: Please wait for a couple of minutes, I will revert to you with the best flight.

USER: Sure.

ASSISTANT: I am glad to inform you that, flight number 1000 with one connection from SouthWest airline is matching with your preferences. Shall I confirm your ticket with the fare of 200?

USER: Yes, you can proceed with booking.

ASSISTANT: Ok, your flight booking has been processed. Thanks for contacting us, have a nice journey.

USER: Thank you.