[{"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 'Devo chiamare Tom.' You can use this phrase to convey your intention in a polite and professional manner."}]