Drag their feet

Dear Mr M Khan,

Thank you for your message. We take customer satisfaction seriously and are glad to hear from you.

First, I would like to apologize for the frustration you've been experiencing recently. I want you to know that we appreciate your feedback. It will allow us to resolve any problems that occur and help us to improve our services. We're proud that you've selected our company as your service provider, and we'd like the opportunity to resolve your concerns and earn your continued trust.

We have routed your complaint to the appropriate department who will address your concerns.
We are truly sorry for the inconvenience.

Thank you
Regards
Tania