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.