Think about a bad product or service and write a letter to the company as the following:

[Company Name]
[Company Address]
[City, State, ZIP Code]

Dear [Company Name],

I am writing to express my dissatisfaction with the product/service that I recently purchased from your company. [Explain in detail the issue you had with the product/service and how it has impacted you.]

I believe that as a valued customer, I deserve a resolution to this matter. Therefore, I kindly request that [state your desired resolution, whether it's a refund, exchange, or compensation].

I have always been a loyal customer of your company, and I hope that this issue can be resolved in a timely and satisfactory manner. I look forward to hearing back from you soon and am hopeful that we can come to a mutually agreeable solution.

Please feel free to contact me at [Phone Number] or [Email Address] if you require any further information regarding this matter.

Thank you for your attention to this issue.

Sincerely,

[Your Name]