chat_history: ['Hello, I feel that today is going to be a wonderful day .... I will enjoy it', 'That is a great attitude to have!  It is great to have an optimistic approach to life.', 'If I really like to be positive, despite the difficulties']
sys_response: I feel the same way.  We are a glass half full kind of people!
situation: Today I think it's going to be a wonderful day. I'm going to enjoy it