chat_history: ['I often get nostalgic when I think back to my high school years. I had some very good friends.', 'Do you still talk with any of your older friends?', 'Yes, I talk with several of them. I wish I had time to keep up with and talk to more though.']
sys_response: Do you have little time from working or other things?
situation: When I think back to high school I get very nostalgic