overbook
verb
over·book ˌō-vər-ˈbu̇k 
overbooked; overbooking; overbooks
transitive verb
: to issue reservations for (something, such as an airplane flight) in excess of the space available
intransitive verb
: to issue reservations in excess of the space available
Example Sentences
The flight was overbooked, and I got bumped off. The airline overbooked the flight. The doctor's office called and said that they overbooked the appointments for today.
Recent Examples on the Web Airlines sometimes overbook flights with the expectation that some passengers won’t show up. 
David Koenig, Anchorage Daily News, 2 July 2022 Of course, in this fast and furious world, there are businesses that routinely overbook and short staff. Annie Lane, oregonlive, 26 July 2021 Of course, in this fast and furious world, there are businesses that routinely overbook and short staff. cleveland, 26 July 2021 Include some downtime in the schedule and don’t overbook yourself. Washington Post, 19 July 2021 Now Dempsey and her colleagues no longer need to overbook. NBC News, 19 May 2021 Because customers can now cancel without penalty, those assumptions are no longer valid, and airlines have already started to overbook more flights. Christopher Elliott, USA TODAY, 25 Dec. 2020 Those ensure airlines will do things like provide passengers with water when delayed on the tarmac or, if overbooked, ask passengers for volunteers before others are bumped off involuntarily. Holly Yan And Scottie Andrew, CNN, 18 Feb. 2020 That charge is a big reason why UTSA and Army are contracted to play three more times, with games in 2020, 2022 and 2023, but those games have not been announced and are in flux because the Roadrunners are overbooked in two of those years. Nick Talbot, ExpressNews.com, 11 Sep. 2019 See More
David Koenig, Anchorage Daily News, 2 July 2022 Of course, in this fast and furious world, there are businesses that routinely overbook and short staff. Annie Lane, oregonlive, 26 July 2021 Of course, in this fast and furious world, there are businesses that routinely overbook and short staff. cleveland, 26 July 2021 Include some downtime in the schedule and don’t overbook yourself. Washington Post, 19 July 2021 Now Dempsey and her colleagues no longer need to overbook. NBC News, 19 May 2021 Because customers can now cancel without penalty, those assumptions are no longer valid, and airlines have already started to overbook more flights. Christopher Elliott, USA TODAY, 25 Dec. 2020 Those ensure airlines will do things like provide passengers with water when delayed on the tarmac or, if overbooked, ask passengers for volunteers before others are bumped off involuntarily. Holly Yan And Scottie Andrew, CNN, 18 Feb. 2020 That charge is a big reason why UTSA and Army are contracted to play three more times, with games in 2020, 2022 and 2023, but those games have not been announced and are in flux because the Roadrunners are overbooked in two of those years. Nick Talbot, ExpressNews.com, 11 Sep. 2019 See More Word History
First Known Use
1903, in the meaning defined at transitive sense