[header] How to handle angry customers [title] Remain calm and adjust your mindset. [step] No one likes to get confronted by a yelling, heated person in a public space. However, your job in this situation is to stay cool and collected. 
While you may have the urge to yell right back at them, fight the urge! Yelling and getting angry will only escalate the situation. Instead, put on your best customer service attitude and buckle down--it's time to get to work.