Also try bmi, I know there is a new entrants check-in and customer service course running at the moment, if you want to fly again we may well recruit again for the summer because of next years MYT charter contract.
Ring 0161 489 5474 and ask to speak to the airport services administrator reference g/staff positions.
Cabin crew recruitment is based at Stockley contact details are available on aviationjobsearch.com at the mo for LHR based vacancies.
Hope this helps.