chat_history: ['I won an essay contest and I get to go to Washington DC for free!', 'Wow! what did you write about?', "I wrote about social security reform. Kinda boring stuff lol but it'll be fun to visit all the sites in DC"]
sys_response: Nice, well I hope you have a nice trip!
situation: One time I won an essay contest. My prize was a free trip to Washington D.C.