Airline overbooking is ticket sales exceeded the number of open seats because passengers are a group that does not come up, such as late or emergency errand, which occurs nearly every flight already.
overbooking of airline tickets sold exceeded the number of seats. For passengers, there are groups that do not come up, such as late or busy emergency. This happens almost every flight already.
Overbooking airline ticket is on sale exceeded the seats. Because the passengers were not on the plane such as late or emergency plans, which occur in almost every flight.