Hello how may I help you? How much do I owe in late fees? Hi, you owe a total of $45 for 3 books that were 7 weeks late. I would like to pay them with my credit card. Ok, what is your credit card number My credit card number is 1234567890123456 Great. Your new balance is now 0. Could you help me check if a book is there? Sure, what is the title? "The Odyssey." The Odyssey is check out but should be returned tomorrow.