chat_history: ['My son and wife are coming for a visit. Been a long time since I have seen them', 'Wao thats so cool you must so excited, how long has it been?', 'about a year. I am on the east coast and they moved out west']
sys_response: Wao it must be very difficult to be separated from your wife and son, sorry
situation: My son and wife live out west and I live on the east coast. They called to say they were on their way for a visit.