Customer Service first of all is knowing that the 'customer is king', the 'customer is always right'. Keeping the customer happy is the main role of a customer service agent. As you are usually the first point of contact, how you present yourself and your overall attitude is always remembered. Customer service is all about the customer and the service you provide, it will be your job to build positive relationships with them, making sure that their experience with the company is a confident one and in doing so the overall reputation of the company is increased.