Hi there! I have purchased an interrail ticket and would like to take the nightjet from Zurich directly to Prague. Since I already have a valid ticket, I only need to pay the additional reservation fees. I did not find the explicit costs for only the reservations on the sbb website (costs always included with travel ticket). I was wondering how much the reservation costs for Schlafwagen, Liegewagen and Sitzwagen are. Hope you can help me there!