中译英，急，谢谢帮忙！！不要机器语

我在美国十年了，英文还可以，其实你这中文写得太含糊，我只能按照我的理解翻译（而且我这么说吧，由于你中文表达都不清楚，我这么翻译不能保证对）：

We want to cancel the previous order and generate a new one. Please see the attachment. We will complete transaction with them upon your confirmation.

We hope to cancel the previous order, and go ahead with the new one. Please see the attachment. If confirmed, we will trade with them.

we'd like to cancel the bill we signed before

I would like to cancel the previous order and generate a new one. Please see attached. I will make a deal with them after confirmation.

We hope to cancel the previous order and make a new one ,please see the attachment.
If confirmed ,we'll trade with them.