You can do this by going into your account under “Search Orders”. Once you locate the customer’s order you will see a “Reassign” button on their listing. Click on this and it will bring up the seating map with their current seats.
Select the seat you wish to move them to first. Then once their new seat is selected you will need to delete their old seat assignment. On the right side there will be their seating assignments. Click the [X] on which ones you wish to remove. You may also click on the particular seat to deselect it. The selected seats will be black. After finishing this, you will want to exit out by clicking on “Finish Selecting”.