slot_1: id: 1 start_at: 2012-04-11 06:00:00.000000000 Z end_at: 2012-04-11 10:00:00.000000000 Z created_at: 2012-03-12 13:40:22.342717000 Z updated_at: 2012-03-12 13:40:22.342717000 Z availability_id: 12 slot_2: id: 2 start_at: 2015-06-15 12:00:28.000000000 Z end_at: 2015-06-15 13:00:28.000000000 Z created_at: 2015-06-10 11:20:01.341130000 Z updated_at: 2015-06-10 11:20:01.341130000 Z availability_id: 13