chat_history: ['It was my birthday and My friend sent me a birthday card with a gift card in a mail... i never got it, somebody stole it! and we actually have a cluster mailbox so only i can open it. it means that usps worker stole it']
sys_response: Have you tried speaking with the post office?
situation: It was my birthday and My friend sent me a birthday card with a gift card in a mail... i never got it, somebody stole it!