When Tim Milller tried to cash in a travel certificate to buy a Continental Airlines ticket, the system didn’t accept his PIN number. But instead of working with him to fix the problem, the airline charged him for the full amount of the ticket and told him he was out of luck.

Elliott is consumer advocate
WHAT'S YOUR PROBLEM? If you're having trouble with a travel business - any business - and you've reached a dead end, maybe I can help. Send me an