Note: You will have to toggle into your second Group to accept your changed dates. Help on how to toggle between groups can be found here.
From the Dashboard, click on the Activity Scheduler tab.
Click on the text boxes with dates entered in to change due dates for the LUV profile or video exchanges.
Press Accept next to the changed date.
Press Confirm Dates and then press I accept, Confirm dates.
Toggle back into your second Group in the top right corner and Accept these dates by clicking Accept next to each changed date.