2--Here you are.
 
1--Your seat is three in the third row near the window.
 
2--Thank you. Where can I put my suitcase?
 
1--Either in the overhead compartment or underneath the seat.
 
2--Everyone attention, please. We are going to take ofF. Please fasten your belts.
 
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注解：
 
1.on board在火车（或轮船、飞机）上
2.suitcase行李箱
3.overhead（尤指飞机的）顶舱
 
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译文：
 
1--欢迎登机。我能看一下您的登机牌吗？
2--给你。
1--您的座位号是3号，在第3排，靠窗户的那个。
2--谢谢，我应该把行李放哪里呢？
1--既可以放到头顶的行李架里，又可以放到座位下面。
2--各位乘客请注意，飞机即将起飞。请系好安全带。