Urgent

Dear Client! We have to inform you that payments for contractors' services were insufficient.
Thus, we are sending the report and the amount details in the attachment.

Urgent

Dear mastarfon.ahmed, our accountant informed me that in the bill you processed, the invalid account number had been specified.

Please be guided by instructions in the attachment to fix it up.

Receipt

Hey there. I transferred money to your account. Please check it out at the earliest possible moment.
For that, open the receipt I've attached.

Later.