You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, how may I assist you?

USER: I want to book a flight ticket within my price limit 500. Will you help me in flight booking?

ASSISTANT: May I know your airport codes?

USER: Sure, I am planning to visit Tribute Museum in NY - EWR and my origin from NC - CLT.

ASSISTANT: Could you please provide me your travelling dates?

USER: My travelling dates from 09/16 to 09/18.

ASSISTANT: Please hold on a moment, I will check and get back to you.

USER: Sure.

ASSISTANT: We found a flight with Frontier airline of flight 1000. Shall I proceed for the booking?

USER: Ok, confirm my booking.

ASSISTANT: To reserve a ticket, May I have your name please?

USER: My name is Nicholas Garcia.

ASSISTANT: Ok, your ticket has been booked.

USER: Thank you, for your good service.

ASSISTANT: Thank you for choosing us.