chat_history: ['I ordered a new toy for my son online for his birthday.', 'Oh, did you give it to him yet?', "No, not yet. But, I can't wait to! He's going to have so much fun with it."]
sys_response: That's so cool. I'm sure he will love it! Where did you get it?
situation: I ordered my son a cool new transformer toy for his birthday. I can't wait for it to arrive.