Does it matter. The aide could have flown coach, like the little people do. The only time2 I've flown first class has been when the flight was overbooked and they gave me a free upgrade. Even though I've been flying on business, mostly as a military contractor and a few times as military, off and on for 35 years, I can count the number of times that has happened on one hand.
In 1968 I was working for a small company in Garland, TX. We had an urgent contract deadline to meet. I had subcontractors in both northern and soothern California and also in Connecticut. I planned a trip to the west coast and then to Connecticut. I had never flown nonstop coast to coast, so I thought it would be an excellent idea to save time and take a redeye from LA to New York overnight. I found myself on a fully loaded DC-8, surrounded by hippies. My seatmate had a bandage around his head, probably covering injuries inflicted in some street riot. I was at the Connecticut subcontractor next day, looking forward to a real night’s rest, when I got a phone call from my office instructing me to hot-foot it back to San Francisco ASAP. They had arranged for me to ride first class, gov’s funded of course. So the guy who had never flown coast-to-coast nonstop, got to do it two nights in a row.