YOU SAID:
hi thanks for checking in
INTO JAPANESE
チェックインしてくれてありがとう
BACK INTO ENGLISH
Thank you for checking in.
INTO JAPANESE
確認してくれてありがとう
BACK INTO ENGLISH
Thank you for checking.
INTO JAPANESE
確認してくれてありがとう
BACK INTO ENGLISH
Thank you for checking.
That didn't even make that much sense in English.