Once you have found your order, editing your attendee specific information is easy. Click "Manage Attendees" next to the appropriate event and order.
When the attendees for your order are listed click "Manage" next to the attendee that you want to update and then select the desired action. You can edit the attendees information, make a payment, or change the attendee type.
Any additional financial costs will require payment in order to process the change. Any changes that would result in a refund will attempt to go back to the original card if possible. If not possible, you will be prompted for credit card information.