eSales - Cancel Order Process
The workflow for canceling orders is shown in the following image.

The eSales - Cancel Order Process is called when a customer clicks Cancel in the Order History Summary view. The following events happen:
The process displays the Cancel Order Confirmation view.
If the user confirms the cancellation, the order status is set to Canceled and the Order History Summary view appears.
If the user decides not to cancel the order, the user is returned to the Order History Summary view.