A: I need to use the ATM. B: What's stopping you? A: I'm not sure how. B: I don't understand. A: I've never used one before. B: I can help you figure it out. A: What do I have to do? B: Slide your card into the machine. A: Then what? B: You need to type your PIN in. A: What do I have to do next? B: Click on whichever option you want, and you're done.
