1. plane ticket 机票，飞机牌哦
If you're gonna spend that much money on a plane ticket, why not just go to rome?
2. the day after tomorrow 后天
the day before yesterday 前天
The day after tomorrow will be the nicest day in the week.
3. have a look at 看一眼
Can I have a look at your passport?
4. direct flight 直达航班
I booked a flight for another city in two days and then decided to take a chance and take my bags to the airport at 6 a.m.that same day for a direct flight.
5. first class 一等舱，头等舱
Buy international business and first class fares from consolidators.
6. coach 普通舱
I'm sorry,but the coach tickets have been sold out.