Dinesh Dani flew to Toronto to attend his brother's wedding. Knowing that his family would be busy, he did not ask anyone to meet him at the airport. Instead, he planned to rent a car to use while in Toronto. He has no nationally known credit cards but is prepared to pay cash for the rental car. The car rental agency refuses to rent him a car, even though the agency has several cars available. Why do you think Dinesh is unable to rent a car?