To listen carefully a customer, to give him a faith for what he is demanding and to keep the record of his demand causes a lots of hapiness to his expectation and he feels that i am answered by a responsible one.
Customers that are satisfied with your service will most likely love to call you back, close business deal or place orders. Thus, generating additional sales.
-farahdunchy-
Answer Winning the trust of you customers will give you the edge in the competetive world of business. Once you already have your customers trust you can expect for a higher response rate which in return will increase your sales.