To Void any booking from Absolute, you can refer Void Transaction, After clicking on Void Transaction, you can select a reason, if there is no reason preloaded, you can click on + to add a new reason.
Location:(1) eZee absolute PMS >>Stayview (2) eZee absolute PMS >> Stay view >> Front office>>Reservation List , Arrival List or Departure list
User Privilege: eZee absolute >> Go to Configuration >> User >> Edit user >> Privileges >> Reservation>> Void Reservation.
Please Note: Voided transactions can not be undo or reinitiate.
From Stay View:
From Reservation List / Arrival List / Departure List