Q: I already have a window cleaner but would like you to call. A: Thats fine, first of all we would prefer it if you would inform your current window cleaner that he is no longer required, then we would be happy to call and give you a quote.
Q: Why do I cancel him first.
A: Ifyou are unhappy with your current window cleaner you would be as well to let him know as he may be unaware there is a problem.