directflight(直航),transfer;
arrival,departure(离开,起程),destination;
one-wayticket(单程票),returnticket(回程票),one-weekreturnticket(一周往返票);
firstclass(头等舱),businessclass(商务舱),economyclass(经济舱),regularclass(普通舱);
airline,airway,airport,airlounge(机场休息室),waitingroom(候机室);
book,reserve,reservation,bebookedup(被订满了),getticketchanged,switch;
ontime,delayed,postponed,putoff,behindschedule(晚点),cancelled.