Here's the easiest way to do it:
Navigate to
AI Scheduler → Scheduled Calls to access "Upcoming calls" tabFind the call that you want to cancel or reschedule and click on it to expand the details
In the expanded call details card you will see the buttons on the top right to:
Reschedule or
Cancel the call
Kindly note that if Event creator turned off ability for hosts to reschedule a call in Event time & Limits, this button will not be visible
Rescheduling a call
To reschedule the call, take following steps after clicking on the "Reschedule" button:
Select Round Robin or Select the host manually
Click on Select Time
You will be redirected to the scheduler where you have to enter the reason of rescheduling and
to select date and time, and confirm rescheduling
Important Note:
In case you don't want Hosts to be able to reschedule a call, you can turn that option OFF from Event setup → Event time & Limits at any time.
Cancelling a call
To cancel a call, take next steps after clicking on the "Cancel" button:
Enter the reason why you are cancelling the call and
Click on "Confirm"
Please note that by default all of your cancelled calls are hidden from scheduled calls.
To revel them, please go to Filters at the top right, select Call Status and check the box for Cancelled Calls to show.