Some ticket types have sold out
Some ticket types have sold out

Signed-off-by: Nathen Harvey <nharvey@chef.io>

Former-commit-id: 9d1bfa8422e471291705c3c5c18ed2c826198f41
masteinhauser/devopsdays-web,masteinhauser/devopsdays-web,masteinhauser/devopsdays-web,benjohnson77/devopsdays-web,benjohnson77/devopsdays-web,joelaha/devopsdays-web,benjohnson77/devopsdays-web,joelaha/devopsdays-web,masteinhauser/devopsdays-web,joelaha/devopsdays-web,benjohnson77/devopsdays-web,joelaha/devopsdays-web