chat_history: ['My favorite band is doing their last tour. My husband bought me tickets to see their concert! He surprised me with them today!', 'That sounds like a great gift. That is going to be a great time.', "It is! I'm really excited for it! It's tonight, so it was also a big surprise!"]
sys_response: Wow. I am sure you will remember this for a long time. You are going to have to think of a great surprise for him now.
situation: My husband bought me concert tickets for our anniversary. This is the last tour that the band is doing.