As a Teller with :company, an important job expectation will be for you to handle customers that come to you with issues. While their issues can stem from a majority of reasons, your interviewer wants to know that you have the wherewithal to handle these situations with patience and a sense of calmness. As well, they'll be looking to hear that you have the ability to pull from the resources available to you to help resolve the situation. As you answer the hypothetical question, don't hesitate to draw upon past experiences where you've handled customer issues directly and use your experience in those to help project how you would handle similar situations with Bank of Scotland.