YOU SAID:

My Name is Roberta But i'm Not Old enough

INTO JAPANESE

私の名前はロベルタがいないだな

BACK INTO ENGLISH

Not my name is Roberta.

INTO JAPANESE

私の名ではなく、ロベルタ。

BACK INTO ENGLISH

My name, but not Roberta.

INTO JAPANESE

私の名前がないロベルタ。

BACK INTO ENGLISH

No my name is Roberta.

INTO JAPANESE

私の名前はロベルタがありません。

BACK INTO ENGLISH

My name is Roberta.

INTO JAPANESE

ロベルタと申します。

BACK INTO ENGLISH

My name is Roberta.