They're responsible for identifying a customer's needs, pitching relevant products or services, and ensuring they have a positive experience from start to finish. In some cases, a sales agent will cold call prospects they find through business directories or client referrals. Selling products or services to customers, and representing the brand. This can include asking questions to pinpoint the best offerings, giving demos or presentations, and maintaining customer relationships. Reaching out to potential leads through a variety of channels, such as email, phone, text, and social media.