YOU SAID:

It is a room that only those who are

INTO JAPANESE

居る人だけがいる部屋です

BACK INTO ENGLISH

It's a room with only people

INTO JAPANESE

人だけの部屋です

BACK INTO ENGLISH

It is a room only for people

INTO JAPANESE

人専用のお部屋です

BACK INTO ENGLISH

This room is for people only

INTO JAPANESE

この部屋は人専用です

BACK INTO ENGLISH

This room is for people only