YOU SAID:
I would like some cheese cake.
INTO JAPANESE
チーズケーキが欲しいのですが。
BACK INTO ENGLISH
I'd like cheesecake.
INTO JAPANESE
チーズケーキが欲しいです。
BACK INTO ENGLISH
I want cheesecake.
INTO JAPANESE
チーズケーキが欲しい。
BACK INTO ENGLISH
I want cheesecake.
That didn't even make that much sense in English.