I really appreciate your feedback if we have made a transaction! In your comment, it would be helpful if you described what kind of transaction we made. You can use this suggested format:

• You bought something from me: please indicate feedback from a buyer in the subject, and the item(s) you bought in the comment.

• I bought something from you: please indicate feedback from a seller in the subject, and the item(s) I bought in the comment.

Thank you very much!