催国外付款的英文邮件怎么写啊

催国外付款的英文邮件怎么写啊？

Dear XXX,

Could you kindly do me a favor? We used to have a shipment about XXX, and the invoice number is XXX. So could you kindly help me to check if the payment was done or not? If the payment is still pending. Could you please tell us when the payment could be done. Wait for your kindly reply.

Best regards!