Why do numerous airlines, including those aspiring to be among the world’s best, keep focusing on improving the in-flight experience, but don’t seem to care what kind of service their customers receive before they even step foot on a plane?

It’s high time they understood that travelers are getting smarter, and mediocre reservation agents won’t be tolerated much longer. In April, I wrote about my disastrous experience with Singapore Airlines’ award-booking agents, who were so poorly trained they might as well have worked for a third-world carrier. In May, I mentioned British Airways’ arrogance and refusal to offer the slightest apology after losing the luggage of two First Class passengers who had paid $12,500 per ticket…