We would like to start by expressing our sincerest apologies for the unsatisfactory service you received from our company. We understand that this experience was not up to the standards that we strive to provide, and we are sincerely sorry for any inconvenience this has caused.
At [Company], we take pride in providing our customers with the highest quality of service. We understand that this experience has not been up to our usual standards, and we apologize for any dissatisfaction you may have experienced. We take all customer feedback seriously, and we are actively working to improve our services.
We understand that this experience has caused you a great deal of frustration and inconvenience. We would like to offer you a [discount/free product/etc.] as a gesture of goodwill. We hope this will help to make up for the inconvenience you have experienced.
We value your business and we want to ensure that you have the best experience possible. We are committed to providing our customers with the highest quality of service, and we are sorry that we have not met your expectations.
Once again, we apologize for the unsatisfactory service you received from our company. We hope that you will consider giving us another chance to prove our commitment to providing excellent customer service.