How can a CX ambassador effectively handle a situation where a customer is upset or angry, while still maintaining a positive and professional demeanor?

A CX ambassador can effectively handle a situation where a customer is upset or angry by actively listening to the customer's concerns, acknowledging their emotions, and empathizing with their situation. They should remain calm, patient, and respectful throughout the interaction, and focus on finding a solution to address the customer's issues. It is important for the CX ambassador to take ownership of the problem, apologize for any inconvenience caused, and follow up with the customer to ensure their satisfaction.