YOU SAID:
hello I am jemima, how are you
INTO JAPANESE
こんにちは私はジェミマです、お元気ですか
BACK INTO ENGLISH
Hello I'm Jemima, how are you?
INTO JAPANESE
こんにちはジェミマです、お元気ですか?
BACK INTO ENGLISH
Hello, this is Jemima, how are you?
INTO JAPANESE
こんにちは、ジェミマです、お元気ですか?
BACK INTO ENGLISH
Hello, this is Jemima, how are you?
That didn't even make that much sense in English.