[{'role': 'USR', 'utterance': 'We can offer you a 5 % discount.'}
 {'role': 'SYS', 'utterance': "Your price is rather out of line, much higher than we expected. We can't buy with your offer."}
 {'role': 'USR', 'utterance': 'Well, what do you suggest then? How about 8 %?'}
 {'role': 'SYS', 'utterance': "When we say your prices are much too high, we don't mean the are higher only by 2 or 3 percent. If we are to place an order with you. I think a discount of about 15 % would be sufficient."}
 {'role': 'USR', 'utterance': "What? You want to drive me bankrupt! You can't expect us to make such a large reduction."}]
{'role': 'SYS', 'utterance': "There's no point in making a counter offer because the gap is too great."}