Don't bother with this. The driver never showed up. Viator could not contact him. They called but no one answered the phone.
事業者からの返答
Hi, thank you for your message.
We’re very sorry to hear about your experience.
After checking our system, we don’t have any booking under your name for this transfer.
It appears this reservation was not made with our company.
Please double-check the provider listed on your confirmation, and feel free to share your voucher if you’d like us to verify.
