 I'm Michelle Franzen. A faulty software update to Microsoft used by tens of thousands of businesses around the world triggered a cascade of problems for businesses, emergency systems, and airlines. Third-party security firm CrowdStrike issued a patch, but the damage is baked in for travelers. More than 2,500 flights in the U.S. canceled today. At the Delta Airlines check-in counter at LAX, there are long lines of people who have had their flights canceled. Eli is among them.