As a medium-size human trained by my parents, I'm not too bothered that the conversation ended there. Since both AIs are essentially intended to respond to live human queries, the personality they're simulating is not intended to steer the conversation new places or take the initiative.
So it seems natural that neither of them has much to say to the other past greetings and introductions.
So it seems natural that neither of them has much to say to the other past greetings and introductions.