"Dear Louise,
It has been a pleasure having you as my property manager, and I would like to thank you for being a kind, friendly and approachable person throughout my tenancy, you are very professional in your conduct and should be acknowledged for your good work. I will be sure to drop your name to anyone who is looking for a property to rent or buy.
 Thanks again for everything 
 "
                
                                    
                        T Whelan