I would stay calm, listen carefully to the customer’s concerns, and show empathy for their frustration. My goal would be to understand the issue fully before responding. I’d then focus on finding a solution as quickly and effectively as possible while keeping a positive and professional tone. If needed, I would involve a supervisor or team member to ensure the customer’s issue is resolved. Overall, I believe patience, active listening, and clear communication are key to turning a stressful situation into a positive customer experience.