Thank you for your revies. As per our phone conversation, the tour has been canceled by Viator and not by our company. The tour was operating and your seat was confirmed. Despite on Viator technical issues, we have agreed with full refund. As Viator is holding the funds, you will have to call their customer service and check how long it takes to get refund on your credit card. We apologize for this inconveniences and we are in touch with Viator about this matter.