It’s important to first assess why this might be the case. Perhaps they’re shy and don’t feel comfortable speaking with customers, or maybe they’re not very knowledgeable about the product and feel overwhelmed. In any case, it’s important to provide training and support to help that team member improve their skills in customer service. You might want to start by providing some helpful resources, like a customer service training guide or video tutorials. And then you can set up some mock customer interactions so that team members can practice their skills in a safe environment.