So I booked 2 preview spots on behalf of someone - I wanted to grab the spots before they were gone. Here's the thing, there is a slim chance (I would not have taken the slots otherwise) they might not be able to make it.
If it turns out they can't make it, is there a penalty for not showing up (or a way to cancel, so the slot opens back up for someone else)? I did receive a confirmation email, but I see nothing about cancellations.