To delete/ remove a Pending charge off the Dashboard without charging it all you need to do is;
Hover over the charge on the Dashboard and click on the drop down button next to the "Edit" button on the right-hand side.
Click on Find, this will take you to the Diary and the list of items (Or if you have permission you can just Delete
You can find the charge you want but looking for the very next one with the reminder date.
You can either delete it or you can do as below
Edit the diary entry
Find the "Processed" button on the right-hand side of the Charge screen and move the toggle from NO to YES
This enables you to still have proof of a charge but not have it charge
You will need to remove the repetitive reminder if you do not want to create the next one.