YOU SAID:

Hello, yes this is me.

INTO JAPANESE

こんにちは、はい、これは私です。

BACK INTO ENGLISH

Hello, yes, this is my.

INTO JAPANESE

こんにちは、はい、これは私のです。

BACK INTO ENGLISH

Hello, yes, this is mine.

INTO JAPANESE

こんにちは、はい、これは私のものです。

BACK INTO ENGLISH

Hello, yes, this is mine.