YOU SAID:

I went to a party and had a great time

INTO JAPANESE

私はパーティーに行き、楽しい時間を過ごしました

BACK INTO ENGLISH

I went to a party and had a good time

INTO JAPANESE

パーティーに行って、楽しい時間を過ごしました

BACK INTO ENGLISH

I went to a party and had a good time