Terrible service

I was so disappointed at the service at Yami Rib and Burger Sinoville. My partner and I already felt out of place being the only black couple there but we still went in because such things don’t really matter. We were shown to my table and from there everything went south. No one helped us or came to check if our order was taken. A man who came after us got service while we still waited. After 15min of just waiting to be served we stood up and walked out and none of the waiters even realised.