The banking industry requires you to be an excellent communicator, detail-oriented and patient. Patience truly is the key to handling customers of all walks of life. Here is an example of how to talk about your customer service experience:

"I have been working in customer service for the past four years in the service industry at restaurants and coffee shops. I have learned to stay calm when customer issues arise and listen to customers by giving them my full attention. I am very flexible and willing to work with customers to resolve their complaints, always putting them first."

The interviewer wants to feel confident in your customer service skills. They may even ask a follow up question, requesting an example of your skills. Write down a couple of examples so that you are prepared to discuss your experience in depth.