You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I amend you?

USER: I am Joseph Thomas. I want to attend a meeting at NY-JFK to meet my cousins. Can you book a ticket?

ASSISTANT: Sure, may I know when do you want to make your journey?

USER: My travel dates are 07/15 and 07/17.

ASSISTANT: Is there any price limit?

USER: Make sure price should not exceed 1000.

ASSISTANT: Kindly provide me your source details.

USER:  I will depart from TX-IAH.

ASSISTANT: Spirit airline with flight number 1003 is going on your way and the price is 200. Shall I proceed?

USER: Ok, you can proceed.

ASSISTANT: Your booking has been processed.

USER:  Thank you for booking.

ASSISTANT: Thank you for reaching us.