When cancelling a volunteer's assignment, the reason for the assignment can be tracked using values that you define. When you do that, the cancelled assignments can then be filtered and reported on based on those reasons. Example reasons could be:
See Also
Jobs
Jobs and Job Groups
Job Associations
Activity Types
Communities Served
Job and Location Attachments
Job Preferences
Job Activities
Job Connection Rules
Job Tags
Job Value Measurements
Walkup Check in Jobs