2) I (meet) Tom and Jane at the airport a few week ago. They (go) to paris and I (go) to Rome. We (have) a chat while

2) I (meet) Tom and Jane at the airport a few weeks ago. — I met Tom and Jane at the airport a few weeks ago.— Несколько недель назад я встретил Тома и Джейн в аэропорту.

They (go) to Paris and I (go) to Rome. — They were going to Paris and I was going to Rome. — Они едут в Париж, и я еду в Рим.

We (have) a chat while we (wait) for our flights. — We were having  a chat while we were waiting for our flights. — Мы беседовали, пока ждали наших рейсов.