chat_history: ['Tomorrow is the big day, I have to deliver my proposal to the client.', 'Are you ready for it?', 'I have been preparing for weeks, but in the back of my mind I still have doubts.']
sys_response: I am sure you will do well
situation: I have been working on a big proposal for weeks. Tomorrow, I have to give the presentation to the client and in-front of my team.