overbooked
adj. 预订超过实际席位的
v. 超额订出；预订过多（overbook 的过去式）
例句
Sorry, the plane is overbooked.
对不起，飞机超额订出了。
《柯林斯英汉双解大词典》
The flight was heavily overbooked.
该班机售票大大超出机位数量。
《牛津词典》
We have just discovered that this flight is overbooked.
欢迎乘坐本公司航班。我们发现航班已经超额预定。
