Japanese phrase
確認してからお返事します。 kaku nin shi te ka ra o hen ji shi ma su
Meaning
I'll check first and get back to you.
When to use it
Promises a reply after checking the matter. The phrase politely shows that an answer requires confirmation before the speaker can respond.
Example dialogue
納期は今日わかりますか？ nō ki wa kyō wa ka ri ma su ka
Will we know the delivery date today?
確認してからお返事します。 kaku nin shi te ka ra o hen ji shi ma su
I'll check first and get back to you.