YOU SAID:
I'm going to go on holidays in August, aren't I?
INTO JAPANESE
私は8月に休日に行きますよね。
BACK INTO ENGLISH
I will go on a holiday in August.
INTO JAPANESE
私は8月に休日に行きます。
BACK INTO ENGLISH
I will go on a holiday in August.
That didn't even make that much sense in English.