[{"role": "user", "content": "I'm trying to express a sentimental feeling to an Italian friend, could you help me translate the sentence 'You used to call me' into Italian?"}, {"role": "assistant", "content": "The translation of 'You used to call me' in Italian is 'Lei mi chiamava.' This sentence is in the formal form, if you want to use the informal form you can say 'Tu mi chiamavi.'"}]