YOU SAID:
I would like some cheesecake
INTO JAPANESE
チーズケーキをおいただきたいと思います。
BACK INTO ENGLISH
I'd like a cheesecake.
INTO JAPANESE
チーズケーキをください。
BACK INTO ENGLISH
I'd like a cheesecake, please.
INTO JAPANESE
チーズケーキをお願いします。
BACK INTO ENGLISH
I'd like a cheesecake, please.
That didn't even make that much sense in English.