After decades of trying to cram passengers onto flights, many international airlines are prioritizing luxury for top-paying customers. WSJ senior video journalist Michael Tabb spoke with Air France-KLM Chief Executive Benjamin Smith about the airline’s efforts to appeal to high-end travelers, and specifically target customers who previously flew private jets. Tabb: Who is your first-class “La Première” product for, and how much demand is there for a seat that costs at least $11,000 for a round-trip flight from New York to Paris?