chat_history: ["I have quite a long drive ahead of me next month. It's about 1/12 hours, but I've don it before so I'll be fine."]
sys_response: I don't know how you do it. I can't stand long drives.
situation: I have to go to see my orthopedic surgeon next month. It's a bit of a drive - about 1 1/2 hours, but I've done it before and know I'll manage ok.