This is less of a problem if when public places aren't private property, but we still have the second part of the problem: can one be forced to do business with

This is less of a problem if when public places aren't private property, but we still have the second part of the problem: can one be forced to do business with someone one doesn't want to. It seems like in this case, she was already sold a ticket, so that seems to be a moot point on this particular case.