YOU SAID:
no i dont want a pizza
INTO JAPANESE
いいえ、ピザは欲しくない
BACK INTO ENGLISH
No, I don't want pizza
INTO JAPANESE
いいえ、ピザはいらない
BACK INTO ENGLISH
No, I don't need pizza
INTO JAPANESE
いいえ、ピザは必要ありません
BACK INTO ENGLISH
No, you don't need pizza
INTO JAPANESE
いいえ、ピザは必要ありません
BACK INTO ENGLISH
No, you don't need pizza
That didn't even make that much sense in English.