It is not about cancelling my reservation - things happen, sometimes the last minute. I just went through all our chat with Clotilde, and: (1) she didn't bother to reply at least once at all, (2) she was not like too much cooperative and (3) I wonder, what if I hadn't reached out about the key instructions 5h before arriving to Paris, when would she drop me a message?
Not sure about the place (it may be what it looks like), but the owner is weird.