chat_history: ['My boyfriend came home from his trip two days early!', 'Yay! Do you guys have free time to spend together now?', "Yes. I'm very excited since I haven't seen him in two weeks."]
sys_response: That sounds great, you should make him dinner to surprise him back!
situation: My boyfriend came home from his trip early. I wasn't expecting him for another two days. I was excited to see him.