I'm not sure how this works.

我不懂这是如何操作的。

I'm calling to see what happened to our last order.

我打电话来是想知道上次订的货怎么样啦？

Is that the office manager over there?

在那边的那位是经理吧？

We want to order some of these.

我们想订些这种货。

It looks like the shipping company did this.

应该是货运公司造成的吧。

I'm sorry, but I have to cancel out luncheon appointment.

真抱歉，不过我不得不取消我们午餐的约会。