This is 〇〇. We had a little chat at school the other day. Do you remember me?
I'm not sure if you remember me, but this is 〇〇. We talked at XX for a few minutes one day last week.
この場合、次のような言い方ができますよ。
ーThis is 〇〇. We had a little chat at school the other day. Do you remember me?
「この前学校でちょっと話した〇〇だよ。覚えてる?」
to have a little chat で「少しおしゃべりをする」
ーI'm not sure if you remember me, but this is 〇〇. We talked at XX for a few minutes one day last week.
「私のこと覚えてるかわからないけど、先週XXでちょっと話した〇〇だよ」
to talk at XX for a few minutes で「XXで少しの間話す」
ご参考まで!
ご質問ありがとうございます。
・「Hi! It's (name) from A!」
(意味) ヤッホー!〜の(名前)だよ!
<例文>Hi! It's Hannah, the one taking the same English lessons as you.
<訳>ヤッホー!同じ英語のレッスン受けてるハナだよ!
・Do you remember me?
(意味) 私のこと覚えてる?
参考になれば幸いです。