my experience with you was too bad, lodge a complaint
I'm truly sorry to hear that your experience with us was not up to your expectations. Your feedback is extremely important to us, as it helps us identify areas for improvement. I want to assure you that I am here to listen to your concerns and assist you in any way possible. To proceed with lodging a complaint, could you please provide me with specific details about what went wrong? This information will enable us to thoroughly investigate the issue and work towards finding a satisfactory resolution.