YOU SAID:

Hi. I'm happy to see you.

INTO JAPANESE

こんにちは。お会いできて嬉しいです。

BACK INTO ENGLISH

Hello. Nice to meet you.

INTO JAPANESE

こんにちは。初めまして。

BACK INTO ENGLISH

Hello, nice to meet you.

INTO JAPANESE

こんにちは、初めまして。

BACK INTO ENGLISH

Hello, nice to meet you.