Name/Title Mary Roe
Address 795 E Dragram
City, State, Zip Code Tucson, AZ, 85705
Dear <Customer Name>
Please accept our sincere apologies for the inconvenience you may have experienced in respect to [the issue].
At Silevertone Company, we ensure that our customer is satisfied with the service we offer. Unfortunately, we did not meet your expectations. I am sorry for your last experience and we are making the changes at our end to serve you better.
We have taken steps to ensure this will never happen again by giving proper training session, installing new back-up systems, creating an internal auditing team, etc.
You are a valuable customer to us and your suggestion and opinion is not gone unnoticed. I am sure you can see the changes in your next visit.
ABC Internet services