"In my three years as a teller at X bank, I have performed personal and business transactions, including assisting customers with opening new checking and saving accounts, setting up direct deposits, opening IRA retirement accounts, handling customer support phone calls, accepting cash deposits, and resolving customer complaints."

Wells Fargo bank tellers are responsible for managing a variety of transactions, including check cashing, cash deposits, wire transfers, issuing money orders or cashier's checks, collecting payments, etc. The interviewer is attempting to learn more about your experience with these types of transactions. If you have not worked in a bank setting before, but you have transferable skills from another industry like retail, share those experiences.