Blocking slots in the diary for Share Avaiability

As far as Share Avaiability is concerned, it would be useful if, once slots in the calendar have been identified, they would be locked in the agenda to prevent them being occupied by others (e.g. colleagues who see free slots in the calendar). Upon confirmation of the appointment by the person invited, they would be automatically unlocked. This functionality is already present in Calendly and until Akiflow implements it, I will be forced to keep this tool :)