A: How are you doing today? B: I'm fine. A: What can I do for you? B: I would like to cancel a check. A: Is there a problem? B: I wrote the check out for too much. A: How much did you write it out for? B: I wrote it out for $150. A: How much was it supposed to be? B: It was supposed to be for $100. A: I'll cancel that check for you. B: I really appreciate your help.