During the payment process I was paying for the ticket and then I was sent to another website. Why is that?

English

To be as secure as possible and protect our customers against fraudulent transactions we feature a technology called 3-D Secure from VISA and MasterCard to validate credit cards with a PIN. The check takes place in a page provided by your bank for even greater security. Once your card has been validated, you are routed back to us for a confirmation of your purchase.