Mine usually starts...
Quick chat - where do you live etc, lets try and find your house. take them out to aeroplane.
Show first aid kits, extinguisher etc and some instruments - speed, height, radios then explain about seat belts - we sit in....
i do take off and on downwind leg climbing give them control and i'll help them - we depart and head off - showing them push forward, goes down, back, up etc etc
Ask them if there ok and happy and then ask if the want to feel a bit heavy (pull some g) and then some negative g.
Go and find there house and just have a general chat etc.....