Finally you handled it.
Yes, it was a bit of a tense moment. Can you remind me of what I wanted to buy?
I believe it was a coffee table book for your girl friend.
Oh, that's right. I'll take it, please.
* remind A of B A로 하여금 B를 생각하게 하다
=== my trial
Would you remind me what i've been going to buy?
