Unfortunately, the specific policy regarding rescheduling or canceling appointments at Bob Garrett Services LLC wasn't found in the provided documents. However, their commitment to exceptional customer service is evident in various ways. For instance, Geoff H. praised their punctuality and professionalism, mentioning they sent a technician within an hour of his call[1]. This showcases their flexibility and dedication. For more detailed information regarding appointment policies, I recommend contacting their team directly at (540) 517-7500 or via email at bobgarrettservices@gmail.com[0].