YOU SAID:
hello i am doing fine
INTO JAPANESE
こんにちは私は元気です
BACK INTO ENGLISH
Hello I'm fine
INTO JAPANESE
こんにちは、
BACK INTO ENGLISH
Hello,
INTO JAPANESE
こんにちは!
BACK INTO ENGLISH
Hi there!
INTO JAPANESE
こんにちは!
BACK INTO ENGLISH
Hi there!
That didn't even make that much sense in English.