chat_history: ['Why does McDonalds always get my order wrong! I said no lettuce!', 'Report to their management', "Sometimes I think the management don't even care!"]
sys_response: Just give it a trial
situation: I ordered a Big Mac no lettuce from Mcdonalds. They gave me so much lettuce! I sent the order back 5 times, before I finally just walked out and took my money elsewhere!