How to remove your Ticketmaster.com account
You can’t delete your account yourself because of “security reasons”, however, it’s possible to have your account manually.
Read this https://ticketmasterus.custhelp.com/app/answers/detail/a_id/854/kw/delete/related/1 for more information.
Helpful Trick: Removing online data
Helpful Trick: Remove third-party logins
If you signed up for Ticketmaster.com using a third-party login such as Facebook or Twitter, you probably want to revoke all access from Ticketmaster.com. Click here to find out how.