How do you say

I’m planning to buy a new sofa for the living room.

..in Chinese?

我打算买一张新沙发,放在客厅里。

wǒ dǎ suàn mǎi yī zhāng xīn shā fā , fàng zài kè tīng lǐ 。

How do you say "We’re planning to travel next month. Do you want to come along?" in Chinese?