To Copy Shifts for a user, please head to your Settings Panel by typing settings to the bot. Once you are in the Settings Panel, please navigate to Time Tracking-->Shift Management-->Create & View shifts and you'll find a weekly view of the shifts created for your team.
Follow these steps to Copy Shift created for a user :
1. Click on the Copy Shift button present right above the shifts view.
2. Select a user from the dropdown list, for whom you wish to copy the shift, the SOURCE DATE and the TARGET DATE. It usually takes a couple of minutes to copy the shift and it will notify the user, on Slack, that his shift is copied.
Here's what Slack notification will look like:
Refer to this tutorial video for better understanding:
Note: To learn about the process of creating shifts for your team members, refer to this article.