However sad, but it emphasizes the need to babysit one's reservation. I always get worried when my itinerary doesn't display properly - makes me wonder what's going on. When in doubt, I look up my e-ticket on SV website to make sure it has all the correct segments and coupons.
What you should have done after receiving that call around dinner time is go to US website and check whether the CSR you've spoken with really fixed the problem, and if not, you should have called back and insisted that the problems be fixed.