[{'role': 'USR', 'utterance': 'What a great day! Hey, Tom, do you want to go to the beach this weekend?'}
 {'role': 'SYS', 'utterance': 'Yeah, that is a great idea. Maybe Sara would like to come along with us.'}
 {'role': 'USR', 'utterance': 'I doubt it.'}
 {'role': 'SYS', 'utterance': 'Why? You are kidding! You know, she loves watching the sea.'}
 {'role': 'USR', 'utterance': 'But yesterday afternoon she told me that she would go home this Saturday.'}
 {'role': 'SYS', 'utterance': 'What happened?'}
 {'role': 'USR', 'utterance': 'She said that her mother was ill and stayed in the hospital, and therefore she wanted to go home to see her.'}]
{'role': 'SYS', 'utterance': 'I am sorry to hear that. Well, What do you think? Should we take some food?'}