[{"role": "user", "content": "I'm trying to learn some key phrases in Italian for a trip, and I was wondering how to say 'I promised' in Italian?"}, {"role": "assistant", "content": "That's great that you're learning some Italian for your trip! The translation of 'I promised' in Italian is 'Io ho promesso.'"}, {"role": "user", "content": "Grazie mille! That's really helpful. How would you use it in a sentence?"}, {"role": "assistant", "content": "You're welcome! Here's an example sentence: 'Le ho detto che sarei venuto e io ho promesso.' It means 'I told her I would come and I promised.' You can use 'Io ho promesso' in a similar way to convey that you made a promise."}, {"role": "user", "content": "That makes sense. So I can use 'Io ho promesso' in formal and informal situations?"}, {"role": "assistant", "content": "While 'Io ho promesso' is a formal way of saying 'I promised', you can use it in both formal and informal situations. However, in informal conversations with friends, you might hear 'Ho promesso' instead, which is a more casual way of saying it."}]