Apology Letters for Bad Customer Service

Dear {Recipient},

Please accept my sincere apologies for creating a false impression about {product/service} when we spoke {on the phone/via email} {last week/the other day/etc.}. I understand how the lack of information about {the price/features/etc.} could be misleading, which I assure you was not my intention.

To help you understand our {product/service} better, kindly refer to the {factsheet/link/etc.} I've attached.
Please don't hesitate to reach out to me should you have any further questions.

Warm regards,

{Your Name}

Dear [Name],

I am writing to express my sincerest apologies for the inadequate assistance I provided you. It is my responsibility to ensure that you receive the best possible service, and I am deeply sorry that I did not meet your expectations.

I understand how frustrating it must have been for you to not receive the assistance you needed. I can only imagine how much time and effort you put into trying to get the help you needed, only to be disappointed. It is unacceptable that you were not given the help you needed and I take full responsibility for the situation.

I have taken the time to review the situation and have identified the areas in which I failed to provide you with the necessary assistance. I have also taken steps to ensure that this does not happen again. I have implemented a new system to ensure that all customers receive the help they need in a timely manner. I have also taken the time to review our customer service policies and have implemented changes to ensure that our customers receive the best possible service.

I understand that this situation has caused you a great deal of frustration and inconvenience. I want to assure you that I am committed to providing you with the best possible service and I am sorry that I failed to do so. I am also willing to make it up to you in any way that I can.

Once again, I apologize for the inadequate assistance I provided you. I am committed to providing you with the best possible service and I am sorry that I failed to do so. I hope that you will accept my apology and give me another chance to prove that I can provide you with the best possible service.

Sincerely,

[Your Name]