旅行社的代表会在办理登机手续处与您会面。

A representative from the tour operator will meet you at the ___check-in.

我会在办理登机手续的柜台旁与您会面。

I'll meet you by the ___check-in counter.

我们喝完咖啡后，去了办理登机手续处。

After we had finished [having coffee], we went to the ___check-in.