chat_history: ["I'm shopping for a new bicycle! Can't wait to pick one out.", 'That sounds like fun!  Are you big into biking?', "I have been recently, yes. I'm using an old beat up hand-me-down mountain bike so getting the right bike for me is going to be so much fun."]
sys_response: Mountain biking is great.  Is is really theraputic.  I hope you enjoy your new bike
situation: I'm getting a new bike soon! I'm really looking forward to it.