YOU SAID:
I would like you to come for dinner
INTO JAPANESE
夕食に来てほしい
BACK INTO ENGLISH
I want to come for dinner
INTO JAPANESE
夕食に来たい
BACK INTO ENGLISH
I want to come to dinner
INTO JAPANESE
夕食に行きたい
BACK INTO ENGLISH
I want to go to dinner
INTO JAPANESE
夕食に行きたい
BACK INTO ENGLISH
I want to go to dinner
That didn't even make that much sense in English.