chat_history: ['One of my best friends is moving far away and i dont know when i will be able to see him again', "That's so sad! Can you email them?", 'yeah i can call him and email him, it is just that i dont know when we will see eachother again']
sys_response: Can you see him before he goes?
situation: my best friend is moving to another town and i dont know when i will get to see her again.