I need a cameraperson for shooting a short film in central London on Wednesday

I'm an editor at Community care Inform, an online learning resource for social workers. We are shooting for a 10 minute video that will be used in a training exercise for social workers to demonstrate how to talk to a young person and for viewers to identify what the social worker is doing and pick out information in the answers. The young person (an actor) will be in shot, the social worker asking questions will be audible but off screen. We are planning to shoot in an office space near Holborn station. We can supply a camera if you don't have equipment. There is a script. The footage will be edited in house, you would supply the footage. Expect it to be maximum 3 hours work.