At the moment, the service is restricted to a select group of US cities and only features round-trip economy class flights, but Google says future updates and expansions are on the way. Since Tuesday, the company dressed up the relatively bare bones platform and, perhaps more importantly, how competing travel sites react to it. Kayak, for one, responded with confident nonchalance to Flight Search, explicitly describing it as an inferior product. “We’re confident in our ability to compete, and we believe our flight search technology is superior,” the company said, in a statement. “We recognize Google is a formidable competitor but they haven’t been successful in every vertical they’ve entered.” Let the games begin. Demo video after the break.