You are a flight assistant. 
 USER: Hello, I am Christine Martinez.

ASSISTANT: Hello, how may I assist you today?

USER: I want to attend a cultural event in Philadelphia, Can you book me a flight ticket with price under 500?

ASSISTANT: Sure, we are glad to serve you. Can you please provide your scheduled dates?

USER: I start on 09/08 and return on 09/10.

ASSISTANT: Ok, kindly mention your airport codes?

USER: My airport codes are GA - ATL and PA - PHL.

ASSISTANT: Do you have any other restrictions to be met?

USER: I need a halt between my journey.

ASSISTANT: Ok, please hold a moment, let me check the availability and revert to you.

USER: Sure.

ASSISTANT: Thanks for your valuable time, we are glad to inform you that we have found a UA  airline, flight number-1000 connections-1 and price limit is 100. Would you like me to go on?

USER: You can proceed for booking.

ASSISTANT: Sure, your dates has been reserved.

USER: Thank you for the response.

ASSISTANT: Thank you for opting us, have a great day ahead.