Bottoms up!

干杯！

I think something he can use is the best. A watch or something.

最好是实用的，像手表啦或什么的。

If satisfactory we may consider further orders.

如果满意的话，我们可以考虑进一步的订单。

If the lease period could be extended, then the terms will be acceptable.

如果租限能够延长，我们就能接受这些条件。

No, but I hope you will from now on.

是的，还没有。不过我希望从现在起就会有。

In a word, we'll provide you with all good service.

我们将为你们提供最好的服务。