Delphine Arnault sits in the garden of the Polo Bar at the iconic Beverly Hills Hotel talking about her whirlwind trip, which began in the Far East — with stops in Macau, Hong Kong, Beijing, Seoul and Tokyo — and now has brought her to Los Angeles for Jonathan Anderson ’s first cruise show as creative director of Christian Dior . “I have had three Wednesdays,” the chairman and chief executive officer of Dior said, smiling. “Wednesday in China, then on the plane and now here in L.A.” And her travels were to continue after the show that evening, since she was then off to New York for more meetings before heading back to Paris a few days later. The Asia trip was important, but more so are her stops in L.A. and New York, for America is the “It” market for Dior at the moment, as it is for most luxury brands given other once fast-growing regions, like China and the Middle East, are dealing with economic resets or, in the case of the latter, the disruptions of war.…