overbook
verb [ I or T ] uk/ˌəʊ.vəˈbʊk/ us/ˌoʊ.vɚˈbʊk/
超额订出，超额预订（机位、客房等）
to sell more tickets or places for an aircraft, holiday, etc. than are available
The hotel was overbooked. 这家酒店已超员预订。
There was no seat for me on the plane, because the airline had overbooked. 飞机上没有我的座位，因为航空公司超额售票了。