How do I assign an Internal Ticket to an individual?

You can do this by using the Assigned To field. 

Follow these steps to assign an internal ticket to a team:

1. Log in to your CRM account.
2. Click the Main Menu.
3. Go to Service Desk.
4. Click Internal Tickets.
5. Open the internal ticket that you want to assign to a team.
6. Click the Details tab on the right sidebar.
7. Look for the Assigned To field.
8. Select the name of an individual from the Assigned To picklist.
9. Press Enter.