Customer service can be defined as assistance or advice provided by a company to customers before and after purchasing a product or service. Most companies have a separate department dedicated to focusing on the provision of good quality customer service to its users. Over the years, the importance of customer service has increased. Unsatisfied customers can affect a company’s sales as well as their repute in the industry. To make sure a company has happy customers, loyal customers, and a strong market position, excellent customer service is crucial.