“Service beyond the call of duty”

I wish to commend you for service beyond the call of duty. I purchased my system some three years ago and had moved to London, England two years ago. Upon my return I planned a surprise birthday party for my wife on a Friday evening. You came to our house on short notice, set up the system and were very thorough and professional. You are truly fortunate to have an employee such as the gentleman who came to my home, and I would recommend you wholeheartedly to my friends and associates.