Dear ....,
Greeting from Charm Churee Villa, Koh Tao, Thailand.
We would like to thank you for your kind cooperation, and hope this email find you well.
On this occasion, please allow us to draw your attention to the outstanding account in the amount of 31,100 baht ( Invoive no. TH005 = 12,900baht & TH007 =18,200 baht), which has been past due since ……(วันที่ถึง due จ่าย)We still have not heard from you regarding the payment. A statement of all the outstanding invoices is attached for your reference.
We look forward to your early response on the settlement of the account, for which please accept our appreciation in advance.
Yours faithfully,