A: May I help you? B: I have a problem. A: What's the problem? B: Someone else is making charges on my debit card. A: I need to see a statement for your debit card. B: I have it right here. A: Can you show me which charges you're referring to? B: The last four charges. A: We will need to do an investigation on this. B: How long will that take? A: We'll have to freeze payment on those charges until the investigation is finished. B: I really appreciate your help.