1, if the order is not paid, cancel the order directly, or consult Ctrip official website customer service;
2. If the order has been paid and the ticket has not been issued, you can also cancel the order directly;
3. If the order has been issued, you can't cancel it. You need to apply for a refund or change on the order details page. Please consult Ctrip customer service or the airline to which the ticket belongs for the specific refund and change regulations.