第一句：Have a nive trip!

旅途愉快!

A: Next week I'm going to Hawail for my holiday.

下周我要去夏威夷度假。

B: Have a nice trip!

旅途愉快!

第二句：Good luck!

祝你好运!

A: I'll visit Disneyland with my wife and children a couple of days later.

过几天我将和我的妻子和孩子们去迪士尼乐园玩。

B: I hear that there are often a lot of people there at this time of year.

我听说每年的这个时候会有很多人去那儿参观。

A: Oh, really? I hope there are not too many people then.

哦，是吗?我希望我们去的时候人不是很多。

B: Good luck!

祝你好运!

知识延伸：

表达良好祝愿还可以说：

Have a good trip!/Have a good journey! 旅途愉快!

May you have a wonderful journey! 祝您旅途愉快!

And a safe landing! 祝您平安到达!