YOU SAID:

you're fine, don't worry

INTO JAPANESE

あなたは大丈夫、心配しないでください。

BACK INTO ENGLISH

Are you okay, don't worry.

INTO JAPANESE

大丈夫、心配しないでください。

BACK INTO ENGLISH

Okay, don't worry.

INTO JAPANESE

心配しないで、大丈夫よ

BACK INTO ENGLISH

Okay, don't worry.