Passenger handling at airports; passenger handling of an airline; agency services for air-travel bookings; information about flight plans; transport performance of an airline; booking and entrance organisation for airport lounges; booking of airlines; booking of flight tickets; booking of parking lots at airports; booking of seats for air travel; aircraft charter; services of an airline; airport services (transportation); flight planing services; flight ticket booking services; flight ticket services; flight ticket reservation services; aircraft charter services; aircraft leasing; organisation of air travel; planing and booking of air travel via e-media; reservation of air travel; reservation services for air travel; transportation by airlines; rental and leasing of aircraft; procurement of flights; providing information for planing and booking of flights via e-media; providing information for rental of aircraft