Stand/exhibition staff based in London for october HR show

Hi, we are an employee benefits business looking for 2 stand hosts for an event in Olympia London, 11th - 12th October this year. We will have 4-5 staff attending the event ourselves but want a really outgoing people to attract people to the stand, some degree of HR knowledge would be a huge advantage or failing that marketing knowledge. We're not selecting based on looks, more personality and ability to hold a b2b conversation to qualify leads. Ideally you should be London based. Opportunity for repeat work, budget is £150 per day per host/greeter 9-5 both days