编辑一篇客户投诉信，使它更加礼貌。
Dear Sir/Madam,
I am writing to express my dissatisfaction with the recent service I have received from your company. I was extremely disappointed with the quality of the product and the poor customer service from your staff.
Thank you for your attention to this matter.
Sincerely,
John Smith
Dear Sir/Madam,
I hope this letter finds you well. I wanted to bring to your attention my recent experience with your company. Unfortunately, I was not entirely satisfied with the quality of the product and felt let down by the level of customer service I received.
I understand that situations like this can be challenging, and I want to extend my gratitude for your attention to this matter. I'm hopeful that together, we can find a solution that will meet everyone's needs.
Thank you for your consideration.
Sincerely,
John Smith