[{'role': 'USR', 'utterance': 'Wangfujing Grand Hotels. How can I help you?'}
 {'role': 'SYS', 'utterance': 'Do you have any rooms available next Saturday and Sunday night?'}
 {'role': 'USR', 'utterance': 'Could you hold the line, please? I will check out our room availability for those days. . . Yes. we have a few vacancies next weekend. We have double rooms, suites and deluxe suites in Japanese, Roman. French and presidential styles, which one do you like best?'}
 {'role': 'SYS', 'utterance': 'A double room, please.'}
 {'role': 'USR', 'utterance': 'OK. Could I have your name, please?'}]
{'role': 'SYS', 'utterance': 'My name is Monica Cellar.'}