chat_history: ["A friend who I hadn't seen in awhile showed up at my door", "I'll bet you were surprised. Were you glad to see them?", 'I was very happy to see him, we ended up going out for drinks']
sys_response: Did you reconnect and promise to keep in touch?
situation: A friend who I hadn't seen in awhile showed up at my doorstep.  We ended up going out for drinks