[{'role': 'USR', 'utterance': 'Are you ready to order, sir?'}
 {'role': 'SYS', 'utterance': "Yes. I'll have the beef stew for starters and my wife would like tomato soup."}
 {'role': 'USR', 'utterance': 'One beef stew and one tomato soup. What would you like for the main course?'}
 {'role': 'SYS', 'utterance': "I'll have the Cayenne Pepper Steak and my wife would like the Fried Trout with mashed potatoes."}
 {'role': 'USR', 'utterance': "I'm afraid the trout is off."}
 {'role': 'SYS', 'utterance': 'Oh dear. Err. . . What else do you recommend?'}
 {'role': 'USR', 'utterance': 'The sole is very good.'}
 {'role': 'SYS', 'utterance': "OK. I'll have that. Do you have any coleslaw?"}
 {'role': 'USR', 'utterance': "No, I'm sorry, we don't."}
 {'role': 'SYS', 'utterance': 'Just give me a small mixed salad then. Same for me.'}
 {'role': 'USR', 'utterance': 'Certainly. Would you like something to drink?'}
 {'role': 'SYS', 'utterance': 'Yes, please. May I see the wine list?'}
 {'role': 'USR', 'utterance': 'Certainly. Here you are.'}]
{'role': 'SYS', 'utterance': 'A bottle of Chablis 99, please.'}