How do you say

I’m planning to buy a new car in three months.

..in Chinese?

我打算三个月后买一辆新车。

wǒ dǎ suàn sān gè yuè hòu mǎi yī liàng xīn chē 。

How do you say "My friends and I are planning to travel in Tibet for two weeks this summer vacation." in Chinese?