Cassandra works out of Oud-Zuid, among the broad avenues south of the museums, where the evening crowd thins fast once the concerts are over. Greek and English are her languages, and she keeps replies short at night. Sensual and tantra sessions are what she brings, unhurried and led by her. She is twenty-six and prefers a guest who tells her honestly what time he expects to be in, since a wrong guess helps nobody. The room should be ready and quiet when she arrives. A sensual session with her opens with a few minutes spent on the room itself: the lamp, the towels and a glass of water left where it can be reached. Ninety minutes is the length guests often choose after a concert, because the slow pace then needs no eye on the clock. A booking made for a later night of the trip can be moved once at no charge, if the request comes more than a day ahead and the new date falls within two weeks.

Cassandra decides which bookings she takes and may decline any of them; she sets the limits for what a session includes, says what they are, and may end a visit at any point, as the terms set out.