YOU SAID:

whunt to go to a party.

INTO JAPANESE

パーティーに行きたがりません。

BACK INTO ENGLISH

I don't want to go to the party.

INTO JAPANESE

パーティーに行きたくないのですか。

BACK INTO ENGLISH

Don't you want to go to the party?

INTO JAPANESE

パーティーに行きたくないのですか。

BACK INTO ENGLISH

Don't you want to go to the party?