我需要一个成套服务，包括机票和住宿 I want a package deal including airfare and hotel.
我想把这张票换成头等车。 I'd like to change this ticket to the first class.
我要预订去芝加哥的卧铺。 I'd like to reserve a sleeper to
这件行李我不托运。 I won't check this baggage
我要坐在飞机前部 I'd like to sit in the front of the plane.
我未赶上火车 I missed my train.
我没有要申报的东西。 I haven't nothing to declare.