Customer service representatives are the direct link between the company that they work for and the clients looking for service. They are the initial point of contact and it is their job to help customers, answer their questions and to provide assistance. Customer service representatives may perform a variety of duties depending on the type of company products and services provided to the public. Job functions may include resolving complaints, processing exchanges, or routine calls for providing information and guidance. Job prospects for customer service representatives are excellent, as most companies will provide on-the-job training.