[{'role': 'USR', 'utterance': "Why don't you have some of my cake Sue? I made it just for this party."}
 {'role': 'SYS', 'utterance': "Sorry Bill, I'm not into cakes at the moment. I thought you knew about my diet."}
 {'role': 'USR', 'utterance': 'On your birthday? Surely you can eat whatever you want on your birthday, you can start your diet tomorrow. And anyway, you look great.'}
 {'role': 'SYS', 'utterance': "Well, thanks Bill, I am not on a diet to lose weight, actually. My doctor told me to stop eating certain foods. I'm trying to avoid being allergic to something."}
 {'role': 'USR', 'utterance': "I didn't know food could help with that. I also noticed you didn't eat any of the sandwiches Jill brought."}
 {'role': 'SYS', 'utterance': "Yeah, and you and Tom and Sharon all brought different cakes. I'm dying to try them."}
 {'role': 'USR', 'utterance': "Why don't I go get you a salad? I'm sure you'll feel better if you eat something?"}]
{'role': 'SYS', 'utterance': "All right, it's the only thing here I can eat what I really wanted some hot soup."}