[{'role': 'USR', 'utterance': 'Are you ready to order, sir?'}
 {'role': 'SYS', 'utterance': 'Yes. Can you show me the menu, please?'}
 {'role': 'USR', 'utterance': 'Of course. Here you are.'}
 {'role': 'SYS', 'utterance': "Then, what's special tonight?"}
 {'role': 'USR', 'utterance': 'Our seafood is fresh. I recommend shrimp with garlic.'}]
{'role': 'SYS', 'utterance': "All right. We'll have some seafood and vegetables."}