To cancel a work order, the administrator first needs to create the cancellation as a transition from the workflow so that it appears as a button when the order is in the required state, as follows:

If reasons for cancellation have been configured, a window will appear asking for them:

Request for Reason for Cancellation

After confirming the cancellation of the order, the availability of the originally assigned specialist will be released and the dispatcher can assign him to a new order.