Being staff on one of those things would probably be the most thankless highly-skilled job in the world. Can you imagine: you're trapped in a tin can with a bunch of extremely rich, extremely bored, extremely motion-sick people, and its your job to not only keep them alive, but also happy enough to justify their $55m outlay?
If you also want to leave this wretched planet, but you're not plutocratically rich, I imagine that would be motivation enough to serve some drinks along the way.
For the foreseeable future life off earth is going to be boring, deadly, uncomfortable and require a high degree of technical skill even from someone who is mostly a passive observer.
It does not sound like something that will be attractive to the leisured wealthy aside from the very few who are into extreme sports and bragging rights. You don't see rich people going on six month camping trips in Antarctica and any space colony that isn't in LEO is going to be even more distant, less stimulating and more dangerous.
The rich people are already visiting Antartica, but certainly not in camping trips.
And when you have visited most wonderful places, the most unlikely one are the one you seek. There are many travel agencies proposing this. And it is better if there is a well known scientist on board:
