May I reconfirm my flight?

我可以确认我的班机吗？

Here is a copy of itinerary we have worked out for you and your friends.Would you please have a look at it?

这是我们为你和你的朋友拟定的活动日程安排。请过目一下，好吗？

I hope this will lead to further business between us.

我希望这次交易将使我们之间的贸易得到进一步发展。

He is on the phone.

他正在通话。

I'm really positive that this product has all the features you have always wanted.

我确信这种产品有各种你所要的款式。

Let's call it a day.

让我们今天就到此为止吧。