Zero support from Airbnb customer support

Their customer service is useless. I have been harassed by a host after she failed to have an apartment cleaned and ready for occupation. She promised to cancel the booking and refund me but has since harassed me about the money and sent me countless messages on my personal whatsapp. I have asked airbnb by email and their help center for help for more than a week with many requests on their website and haven't received any response at all. How can hosts fail to provide accommodation I paid full price for and then still keep on harassing me personally without airbnb intervening at all? This leaves me with a very bad experience of airbnb and I will not be using this platform again. Zero support from AIRBNB customer support. Help center is only for the show, doesn't provide any support at all. Stay away from airbnb, there are enough other ways to book accommodation.