What should a server do if a customer complains about a drink?

When a customer complains about a drink, the appropriate response is to listen actively and offer to replace the drink. This approach demonstrates attentive customer service and acknowledges the customer's dissatisfaction. By listening actively, the server can understand the specific issue, whether it be the drink's taste, temperature, or presentation. Offering a replacement shows that the server values the customer's experience and is committed to resolving the issue, which can significantly enhance customer satisfaction and loyalty.

This strategy also helps in maintaining a positive environment at the restaurant, as it shows that the establishment cares about its patrons' preferences and ultimately strives to ensure they have a pleasant dining experience.