The system does not let me buy as many tickets as I want. Why? If there is not as many seats available as you wish to buy, you can not proceed ticket selection. Related articles How can I buy tickets at retail outlets? On the 3D Secure page, when I enter bank, payment and credit card information and then click the ""Enter password make a payment"" button, 3D Secure pop-up page does not open. What should I do? Can I convert my ticket which I didn't receive yet into a PDF Ticket?