How to refuse the blacklisted hotel guests who come to stay?

The way to refuse a hotel guest on the blacklist is simple: Sorry, the hotel is full and there are no rooms left.

In fact, as a service industry, there are no blacklisted guests. The so-called blacklisted guests mainly refer to some guests who intentionally hurt the hotel. First of all, we should understand why specific blacklisted guests are blacklisted, and then make corresponding explanations according to the reasons.