chat_history: ['I recieved a call from my mother today.  She said she was in town.', 'Do you have plans to get together?', 'Yes she took me out to a restaurant and presented me with a book I had been wanting.']
sys_response: How nice of her. You must have been so happy to see her.
situation: My Mother called me up and said she was in town today.  She took me out to eat and brought me a book as a gift.