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

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

Former-commit-id: 9ebd3708b1872595556e472fd8baee5aec91e849
gomex/devopsdays-web,gomex/devopsdays-web,gomex/devopsdays-web,gomex/devopsdays-web