Being told by the employees, and then security and then police, that you must leave most certainly satisfies that requirement. You don't get a free pass on the

Being told by the employees, and then security and then police, that you must leave most certainly satisfies that requirement. You don't get a free pass on the law for being obtuse. And again, a contract for a plane ticket is a civil matter. Unless I misunderstand, it has no real bearing on your right to stay at the moment that you're asked to leave. It would only entitle you to recover damages after the fact.