This document provides guidance on how to handle difficult customers for call center agents. It begins by emphasizing that the customer is the boss and can take their business elsewhere. It then outlines objectives to define call center terms, understand ways to handle difficult customers, and perform activities related to customer satisfaction. Several techniques are described for dealing with emotional callers, such as staying calm, letting the customer vent, avoiding "sinful phrases," and ending professionally. The document also provides a seven-step process and stages of anger to address angry callers. It concludes with activities where agents practice skills through role-playing customer scenarios.