Booking connections are designed to link people to bookings. Use connections for the booking contact, finance contact, organiser etc. (Attendees are tracked through tickets)

Adding a connection to a booking:

Go to the booking
Click Contacts in the menu to open sidebar
Click New connection button at bottom of connection panel
Search and find relevant contact (or add new if not in Sheep)
Select relevant connection role* from dropdown
Click Save

Removing a connection from a booking:

Go to the booking
Click Contacts in the menu to open sidebar
Click the name of the contact
Click the red Delete button at the bottom

*If the connection role is not in Sheep you can always add more. Please see Adding a connection role for help.