Fix bug in check available timeslots
Fix bug in check available timeslots

Fix bug in check available timeslots, the format was wrong.

TIXI24/sfitixi,hertus/sfitixi,hertus/sfitixi,TIXI24/sfitixi,TIXI24/sfitixi,hertus/sfitixi,Martin-Jonasse/sfitixi,TIXI24/sfitixi,Martin-Jonasse/sfitixi,Martin-Jonasse/sfitixi,hertus/sfitixi