I write this email in reference to the order having purchase order ID _________ (mention ID). This is to inform you that we have made the payment on date __/__/____ (date) and it was promised from your end that the goods will be delivered this week.
So far, there has been no update on said order from your end. Please understand, we need these goods urgently and we do not appreciate late deliveries of goods. We hope that you will speed up the delivery process and if you fail to deliver the items before __/__/____ (date), we have to cancel the order as it affects our business.
Look forward to your immediate support.
___________ (Contact Details)