Alexander the Great, conquered Persia, India, Greece and Egypt got the idea from Greece
It is considered to be important and in a way of calming down the customer as having to listen and understand them is a way of letting them know that you care about them and their current situation. This will enable them to vent on their problems and to prevent them from having to burst out in an outrage if you-- as an employee, fail to recognize your customer's needs.
