[{"role": "user", "content": "I'm trying to learn Italian and I'm stuck on the formal greeting 'Have we met?'. Can you help me translate it?"}, {"role": "assistant", "content": "The formal translation of 'Have we met?' in Italian is 'Ci siamo gi\u00e0 conosciuti?' or 'Noi ci siamo incontrati?'  Both of these options are polite and formal ways to ask if you've met someone before."}]