How do you say

I’m planning to travel in New Zealand for over two months.

..in Chinese?

我打算去新西兰旅行两个多月。

wǒ dǎ suàn qù xīn xī lán lǚ xíng liǎng gè duō yuè 。

How do you say "I bought a new dress to wear for the trip." in Chinese?