YOU SAID:

no room will be left empty

INTO JAPANESE

空の部屋は残らない

BACK INTO ENGLISH

There's no empty room left.

INTO JAPANESE

空き部屋は残っていない。

BACK INTO ENGLISH

There are no vacant rooms left.

INTO JAPANESE

空き部屋は残っていません。

BACK INTO ENGLISH

There are no vacant rooms left.