You only need to look at their spelling for a clue. I can do better than you have asked. I could tell you which City's inhabitants speak the best standard English, but as I am not looking for a pen-pal, I shan't bother.
You might get a proper response by answering the point previously raised. As that is not possible - farewell.
"I am just so glad that I selected your services and not someone else, because I am almost positive that I would not have received the kind of assistance/service that I did with kenoxis systems with anyone else."
"I am just so glad that I selected your services and not someone else, because I am almost positive that I would not have received the kind of assistance/service that I did with kenoxis systems with anyone else."