Database
[{"bookings":"2022-09-10T16:00:00.000+00:00"},{"bookings":"2022-09-11T16:00:00.000+00:00"}]
Query
db.collection.aggregate({"$match":{"bookings":{"$nin":["2022-09-09T16:00:00.000+00:00","2022-09-08T16:00:00.000+00:00","2022-09-10T16:00:00.000+00:00"]}}})