You contact Allianz to cancel it as long as it's within 21 days of the booking. Ticketmaster is unable to cancel the policy for you and can't refund the amount to you as the funds are already with Allianz. You can contact Allianz on +353 1 637 3617 or +44 20 8666 9562, by email at missedeventinsurance@allianz-assistance.ie, or by writing to the address below:
Customer Services Manager
Allianz Assistance
511 Q House, Furze Road
Sandyford Industrial Estate
Dublin 18, Ireland
For theatre shows, you’ll need to contact Ticketplan. You can make a claim on the Ticketplan website.