[{'role': 'USR', 'utterance': 'Good afternoon. Is there a vacant room here?'}
 {'role': 'SYS', 'utterance': 'What do you want, a single or a double one?'}
 {'role': 'USR', 'utterance': 'A single, preferably with a bath.'}
 {'role': 'SYS', 'utterance': 'How long do you intend to stay?'}
 {'role': 'USR', 'utterance': 'For four days or so.'}
 {'role': 'SYS', 'utterance': 'We have one single room on the fifth floor.'}
 {'role': 'USR', 'utterance': "I hope it's quiet. I hate noise."}
 {'role': 'SYS', 'utterance': "It's very quiet, sir."}
 {'role': 'USR', 'utterance': 'How much does it cost per day?'}
 {'role': 'SYS', 'utterance': "It's 150 yuan per day including a 10 % service charge."}
 {'role': 'USR', 'utterance': "All right. I'll take the room."}
 {'role': 'SYS', 'utterance': 'Would you please fill in the registration form?'}
 {'role': 'USR', 'utterance': 'OK.'}]
{'role': 'SYS', 'utterance': "As a hotel policy, we require one day's room charge as a deposit for guests without reservation."}