Utkal University

An airline is a company that provides air transport services for traveling passengers and freight. Airlines utilize aircraft to supply these services and may form partnerships or alliances with other airlines for codeshare agreements. Generally, airline companies are recognized with an air operating certificate or license issued by a governmental aviation body.
Tourism is travel for pleasure, also the theory and practice of touring, the business of attracting, accommodating, and entertaining tourists and the business of operating tours.
Hospitality refers to the relationship between a guest and a host, wherein the host receives the guest with goodwill, including the reception and entertainment of guests, visitors, or strangers. Louis, chevalier de Jaucourt describes hospitality in the Encyclopdie as the virtue of a great soul that cares for the whole universe through the ties of humanity.