I don't tend to respond to reviews but specifically, considering what has been written, if only to give explanations to future guests I have to do so. Let's start from the fact that these customers have never contacted us, have not called and have not made us involved in anything. After more than 30 minutes of waiting, and after we have sent 2 messages without receiving any response, we decide, to be fair, to call (I would like to point out that it is not our obligation to contact the customer but, as always - our cooking school is 18 years old - we believe it is courteous to contact our guest to find out if there are any problems. The guests in question respond evasively but we can understand that they are trying to report a theft. I will just say that unfortunately I am so late that they will not be able to participate in the lesson (6 other guests had been waiting for 40 minutes now!) but I invite them, in order not to lose money, to come the next day (copy of the message also sent to the Viator platform). In response, the communication was abruptly interrupted and no one gets in touch again. The next day we receive a refund request to which I reply that the parameters did not exist (not even for Viator did the parameters exist for a refund) to refund it, it is a no show and that, moreover, it was me who I'm anxious to call. In response, I was threatened with a bad review if I didn't agree (threat made via message and therefore clearly visible). Well clearly I didn't agree, given the "fantastic review" but, I reported these guests and the threats or blackmail, if you prefer, are very unethical... thanks for those who wanted to read my version of events