You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: I want to travel to Austin, because I have a business there, so I need to visit that place. Can you help me with booking a flight ticket?

ASSISTANT: Sure, may I know your airport codes please?

USER: Yes, my preferred airport codes are from JFK to AUS.

ASSISTANT: Ok, on what dates you want to travel?

USER: I want to travel on these dates: 05/10 and 05/12.

ASSISTANT: May I know your name please?

USER: My name is Andrew Young. Please make sure that the price limit should be 200 or below.

ASSISTANT: Ok, please hold on a moment.

USER: Sure.

ASSISTANT: I found a flight for you in AA airline with flight number 1002 as per your request.

USER: Ok, then proceed with the booking.

ASSISTANT: Ok, your ticket has been booked.

USER: Thank you so much.

ASSISTANT: Thank you for choosing us.