Basics of dealing with an angry customer

From time to time, every salesperson or customer service representative encounters an angry customer. Though you should do your best to try to prevent such situations, you can never eliminate them entirely, given the fact that some people just have bad tempers and a tendency to solve problems with anger. So when, despite all your best efforts, you get into a situation in which the client gets angry, you need to follow the rules in the following five points.