Introduction
The air transportation industry plays the key role in life of American people. The commercial airline system provides the Americans with the opportunity to attend negotiations or conferences on the other continents and travel to the desirable destinations when embarking on holidays and traveling with business visits. This innovative system is available for twenty-four hours seven days a week. Apart from carrying passengers, different cargoes can be transported all over the world. In most cases this industry is targeted to meet exclusively the commercial goals. With the rapid development of globalization and business relations, the establishment of cooperation has become ...