Editor’s note: Sign up for Unlocking the World, CNN Travel’s weekly newsletter . Get news about destinations, plus the latest in aviation, food and drink, and where to stay. CNN  —  Long-haul first class with a glass of Champagne in hand is the slowly dying dream of many travelers, with carriers like American Airlines, Qatar Airways and United Airlines sounding the death knell for international top-tier experiences on their planes. Always looking to maximize profits, such airlines have come to