Unfortunately, this was one of very few bad experiences I have had on Airbnb. I auto-booked Wa Chi's place. He immediately replied and said the house is not available and that I needed to cancel. I told him that I understand these things happen, but due to his cancellation policy I would be fully charged, and that he needs to call airbnb to cancel and explain the circumstances (I'm a host, as well, so understand the process. As this was the day of the check-in, I sent him multiple messages and he ignored them all. I then had to spend the better part of the next 90 minutes contacting Airbnb late at night, and then ended up proceeding to a hotel.