Where is the counter of Pan-American. 泛美(航空公司)的柜台在哪里? No vacancy? 没座位了吗? Which plane can I board? 我可以搭乘哪班飞机? Do you have any cancels? 你有退票吗? How long will I have to wait? 我必须等多久呢? Are there any faster ones? 有没有快一点的班次? Do you have more later ticket? 有没有晚一点儿的机票?