[{'role': 'USR', 'utterance': 'There are many art craft items in this shop. I suggest you take your time, and you might find something you like.'}
 {'role': 'SYS', 'utterance': "That's what I am going to do."}
 {'role': 'USR', 'utterance': 'If you have any problem, please come to me.'}
 {'role': 'SYS', 'utterance': 'I surely will. How much is this wood carving?'}
 {'role': 'USR', 'utterance': "You are an expert on it. That wood carving is very rare. But I'm so sorry. that is not for sell."}
 {'role': 'SYS', 'utterance': "That's OK. Is anything else recommended?"}
 {'role': 'USR', 'utterance': 'Do you have any special request?'}
 {'role': 'SYS', 'utterance': "I'd like to see some traditional arts."}
 {'role': 'USR', 'utterance': 'So that means you are shopping for presents?'}
 {'role': 'SYS', 'utterance': "Yes, I'm just here to pick out some special presents for my foreign friends."}
 {'role': 'USR', 'utterance': 'Actually, I think the paper-cuts is OK, because it is easy to carry and foreign friends are also interested in it. They think that is a miracle.'}
 {'role': 'SYS', 'utterance': "Sounds good. I'll take paper-cut."}
 {'role': 'USR', 'utterance': 'I have collected different kinds of paper-cuts all over the country, you can pick the one you like best.'}]
{'role': 'SYS', 'utterance': 'You collect them yourself? I think that you are just doing the wholesale.'}