chat_history: ["My car is on it's last legs. I think I see a new car in my future very soon.", "Oh, I'm sorry.  What are you thinking of getting?", "I would love to get an X-Terra! I'm a big fan of the SUV platform."]
sys_response: Nissans are very nice and rugged.
situation: My car is about to die. I'm expecting to get a new car very soon.