Hi, I am Gary Johnson.
Hello. How may I abet you today?
I want to book a flight ticket to Chicago with price under 500, can you please help me with it?
Sure, do you need a halt within your journey?
I need  a halt in between the journey.
Could you please let me know your planned travelling dates?
Travelling dates are 11/25 and 11/27.
Kindly mention your source and destination points to proceed further.
Source is LAX. Destination is ORD.
Just a moment.
oK.
We found a Frontier airline matching your specifications with single connection and the flight number-1025.
You can proceed with booking.
Your ticket has been processed successfully.
Thanks for the help.
You're welcome. Happy journey.