Complex sentence: A trend from the mid- 2000s was the formation of new low-cost carriers exclusively targeting the long-haul business market, with aircraft configured for a single class of service, initially on transatlantic routings.
Split into simpler sentences: A trend from the mid- 2000s was the formation of new low-cost carriers exclusively targeting the long-haul business market. Aircraft are generally configured for a single class of service, initially on transatlantic routings.