public bool TryArilineLogin(string userName, string password, out LoginToken <AirlineCompany> token)
{
throw new NotImplementedException();
}
public bool TryCustomerLogin(string userName, string password, out LoginToken <Customer> token)
{
throw new NotImplementedException();
}
public bool TryAdminLogin(string userName, string password, out LoginToken <Administrator> token)
{
throw new NotImplementedException();
}