YOU SAID:
i didn't know your name so sorry for irritating you
INTO JAPANESE
私はあなたの名前を知らなかったので、あなたをいらいらさせてごめんなさい
BACK INTO ENGLISH
I didn't know your name, so I'm sorry to annoy you
INTO JAPANESE
お名前を知らなかったので、お騒がせして申し訳ありませんでした
BACK INTO ENGLISH
I didn't know your name, sorry for the trouble
INTO JAPANESE
お名前を知りませんでした、お手数をおかけして申し訳ありません
BACK INTO ENGLISH
I didn't know your name, sorry for bothering you
INTO JAPANESE
お名前を知りませんでした、お手数をおかけして申し訳ありません
BACK INTO ENGLISH
I didn't know your name, sorry for bothering you
You've done this before, haven't you.