YOU SAID:
こんにちは私の名前はジェフ
INTO JAPANESE
こんにちは私の名前はジェフ
BACK INTO ENGLISH
Hello my name is Jeff
INTO JAPANESE
こんにちは、私の名前です
BACK INTO ENGLISH
Hello, my name is
INTO JAPANESE
こんにちは、私の名前です
BACK INTO ENGLISH
Hello, my name is
That didn't even make that much sense in English.