I have a radical suggestion for your problem :).. Buy one of those cute robots in the house things.. Have the user speak to these robots instead of generally s

I have a radical suggestion for your problem :).. Buy one of those cute robots in the house things.. Have the user speak to these robots instead of generally speaking into the room.. It feels a lot more natural for human beings and feels less weird since you wont have a feeling of talking to an evil bot that lives in the ether and knows everything about you.