YOU SAID:

hey how are you doing tonight ... im fine

INTO JAPANESE

やあ、今夜はどうしてる？私は元気だよ

BACK INTO ENGLISH

Hey, how are you tonight? I'm fine.

INTO JAPANESE

やあ、今晩はどうだい？元気だよ。

BACK INTO ENGLISH

Hey, how are you tonight? I'm fine.