[{"role": "user", "content": "I need to communicate with an Italian colleague and I want to be polite, can you please tell me how to say 'I have to call Tom' in Italian?"}, {"role": "assistant", "content": "The translation of 'I have to call Tom' in Italian is 'Io devo chiamare Tom.' If you want to be more polite, you could say 'Mi scusi, devo chiamare Tom' which means 'Excuse me, I have to call Tom'."}]