[{'role': 'USR', 'utterance': "You went out on a date last night, didn't you?"}
 {'role': 'SYS', 'utterance': "Yes, I did, but Linda stood me up. She didn't keep the date for the first time."}
 {'role': 'USR', 'utterance': 'How come?'}
 {'role': 'SYS', 'utterance': "I don't know."}
 {'role': 'USR', 'utterance': "Why don't you phone her for a date again?"}]
{'role': 'SYS', 'utterance': 'I did phone her this morning, but she hung up on me. I think she is going to walk out on me.'}