chat_history: ["I got a phone call from a friend that I haven't heard from in a really long time.", "That's great! You must have been so surprised and pleased to hear from them.", 'I was! It was so great hearing from her again.']
sys_response: I bet you had tons of catching up to do!
situation: I got a call from a friend that I haven't heard from in years. I was so happy to hear from her!