How do you say

My friends and I are planning to travel in Xinjiang this summer vacation for a month.

..in Chinese?

我和朋友计划暑假去新疆玩一个月。

wǒ hé péng yǒu jì huà shǔ jià qù xīn jiāng wán yí gè yuè 。

How do you say "We are planning to go on holiday to Singapore this summer." in Chinese?