Fortune 500 IT Company

The system finds cheapest flight with least connections in economy and business, and we are given an allowance, somewhere in middle.
If you are under the allowance, the credit gets saved for your future business trips.

With this system, many people fly premium economy, or business one way.

And of course, you can torture yourself with extra stops, hidden city or whatever you want to endure, if it helps you stay under allowance. That's what I do, and enables me to fly in J most of the time.