You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I serve you at this moment?

USER: Can you please book me a flight ticket under the price of 500?

ASSISTANT: Ok, sure. Can you please tell me your trip dates?

USER: Sure, I would like to fly on 07/21 to 07/23.

ASSISTANT: Could you please provide me your trip codes?

USER: It's a round trip to Orlando, FL - MCO.

ASSISTANT: May I know your name for further proceedings?

USER: Sure, my name is Nicholas Jones.

ASSISTANT: Can you please tell me do you want any connection flight in the middle of your journey?

USER: Yes, I need a halt between my journey.

ASSISTANT: Ok, I found a flight with 1009 flight number and southwest airline providing flight ticket in your route. May I proceed?

USER: Ok, you can proceed for booking.

ASSISTANT: Ok, your ticket has been booked.

USER: Thank you.

ASSISTANT: Thank you for reaching us.