In this paper, the authors maintain an effective customer relationship between the customers and the company. To accomplish this, the authors need to maintain a historical database. The historical database will contain customer information and the corresponding company revenue for each individual customer. And also the database will contain the information about the purpose for which the customer approached the company i.e., the customer has visited to procure some product or some service etc. Based on the information, the company needs to provide a price offer to the customer.