的机票数IfAwaitli
eitiNumwhichWeek办理登记候补elseTra
sactBookTicketli
eitiNumwhichWeek有足够的票数，办理订票

voidRetur
TicketAirLi
eli
e办理退票业务输入名字输入航班号输入订票时间输入订票额ifli
eiDeletePasse
gertemptrue调用链表的DeletePasse
ger，若删除成功cout