How do you say

My friends and I plan to travel together in three months’ time.

..in Chinese?

我和朋友们计划在三个月后一起去旅行。

wǒ hé péng yǒu men jì huà zài sān gè yuè hòu yì qǐ qù lǚ xíng 。

How do you say "They will play a football game within three months." in Chinese?