<font face="Verdana, Arial, Helvetica, sans-serif" size="2">I often buy his tickets on points and pay mine with cash -- business expense, of course</font>
I suggested this to the father in question (buying his own ticket for $$, not the business part) but it was too late. Still, on a trip to Europe the little tyke will be 2/3 the way to a short-haul award.
Thanks everyone!
andrew