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 ex_start_at: canceled_at: ex_end_at: offered: