Question

请帮忙看一下这句话英文怎么说，谢谢

我已经与北京办公室确认过，这次会议在北京开。所以我已经和他们说你不能参加了。

Answer 1

I've confirmed with the office in Beijing that the meeting will be hold there.So I told them that you can't attend it.

Answer 2

I have got contact with the office in Beijing and make sure that the meeting will be hold there.So I told them that you can't attend it.

Answer 3

I've confirmed with office in Beijing about this meeting in beijing.
So I've already told them you are not coming.