chat_history: ['I decided to play the lottery the other day and won.', 'You are lucky!', 'Not normally, so I was quite surprised.', 'how much did you win?', '$1000. It was enough to help me catch up on my bills. So I was happy.']
sys_response: I have never won that much. Congratulations
situation: I bought a scratch off ticket the other day and won $1000. It was a good day.