What can I do for you? 我能为您做什么吗？

The hot season is rapidly approaching. We hope you will send the air-conditioners as soon as possible. 畅销季节马上要到来了，我们希望贵方能够尽快给我们发送空调。 

If shipment is too late, well be forced to withdraw the contract. 如果发货太迟的话，我们就不得不撤销合同了。

Maybe next month is OK. 也许下个月就可以了。

Maybe? It has already late for 2 months. If shipment is too late, we'll be forced to withdraw the contract. 也许？已经延误两个月了。如果发货太迟的话，我们就不得不 撤销合同了。