If you want to be deleted completely, please follow these steps depending of your user role:
You are an exhibitor and use Matchmaking by yourself: Go to the Matchmaking page for exhibitors , log in and delete yourself in the Matchmaking user management.
You received an invitation from your booth organisator/ contact person: Please contact your organisator to delete you from Matchmaking.
You are a visitor: Go to the Matchmaking page for visitors and delete yourself by pushing the button "Delete me from Matchmaking".