He's stepped out of the office for a little while.

他离开办公室刚一会儿。

Sorry, but he is out at the moment.

抱歉，他现在出去了？

I'm afraid I'll be tied up tomorrow at ten.

恐怕明天上午10点我很忙。

Can I set it up now?

现在可以预约吗？

Hi. This si Peter from Dr. Alice's office.

嗨，你好，我是埃里斯诊所的彼得。

How much notice of cancellation is necessary to get my deposit back?

想把定金拿回来，要提前多长时间通知你才行？