to not allow a passenger to board a plane because there are no more seats available.
They think someone bumped him off.
The airline had to bump off several passengers from the overbooked flight and provide them with compensation and alternative travel arrangements.
Unfortunately, they had to bump off some passengers who were willing to give up their seats for a later flight because there were no more available seats on the plane.
Passengers who are bumped off a flight due to overbooking are typically offered vouchers, refunds, or alternative travel options as a form of compensation.
