You are a flight assistant. 
 USER: Hi, I am Justin Mitchell.

ASSISTANT: Hello, how may I help you? Happy to meet you Justin Mitchell.

USER: I need to book a ticket for visiting the Magic kingdom on 06/15 from DEN. Could you please help me in doing that?

ASSISTANT: Sure, I here to help you. May I know your destination and returning date?

USER: I intent to return on 06/17 from MCO to DEN.

ASSISTANT: Ok, there is a flight availability according to your information with flight number 1002.

USER: Make sure that the price should not exceed 1000.

ASSISTANT: Shall I proceed?

USER: You can proceed.

ASSISTANT: Ok, your ticket has been done with price 200 on airline Spirit.

USER: Thank you for your service.

ASSISTANT: Welcome, have a safe flight.