Please contact the ticket provider for the tour you have purchased tickets for.
Ticket Provider Support:
Ticketek AU: https://help.ticketek.com.au/hc/en-us/requests/new
Ticketmaster AU: https://discover.ticketmaster.com.au/contact
Ticketek NZ: https://ticketeknz.zendesk.com/hc/en-us
Ticketmaster NZ: https://help.ticketmaster.co.nz/hc/en-nz