chat_history: ['So my sister is getting married in a few weeks.', 'Congratulations! I bet she is excited and hopefully you are excited for her.', 'Absolutely! The whole family is flying out, we can barely contain ourselves.']
sys_response: Oooo!!! That is so awesome! Will you be in her wedding party?
situation: So my sister is getting married in a few months. My whole family is so excited!