[{'role': 'USR', 'utterance': 'Hello, how can I help you today?'}
 {'role': 'SYS', 'utterance': "I'd like to withdraw some money from my account."}
 {'role': 'USR', 'utterance': 'Please fill out this slip stating how much you wish to withdraw.'}
 {'role': 'SYS', 'utterance': "Well, actually, it's quite a substantial amount. Here's my Bank Book. Will that cause a problem?"}
 {'role': 'USR', 'utterance': "On your account there is no limit to over the counter withdrawals, it won't cause a problem. Here's your money, 10, 000 RMB. Please count it before you leave."}]
{'role': 'SYS', 'utterance': 'Yes, that seems to be all in order. Thanks very much.'}