YOU SAID:
today we have a party
INTO JAPANESE
今日はパーティーがあります
BACK INTO ENGLISH
I have a party today
INTO JAPANESE
今日はパーティーします
BACK INTO ENGLISH
Have a party today
INTO JAPANESE
今日はパーティーをしましょう
BACK INTO ENGLISH
Let's have a party today
INTO JAPANESE
今日はパーティーをしましょう
BACK INTO ENGLISH
Let's have a party today
Okay, I get it, you like Translation Party.