[{'role': 'USR', 'utterance': 'Is that the Park Hotel? Reservation desk, please.'}
 {'role': 'SYS', 'utterance': 'Reservation desk. May I help you?'}
 {'role': 'USR', 'utterance': "Yes, please. I'm phoning from the airport here in Los Angeles. I'd like to reserve a single room for tonight."}
 {'role': 'SYS', 'utterance': "Alright, sir. That's a single room with a bath?"}
 {'role': 'USR', 'utterance': "That's right. How much will that be?"}
 {'role': 'SYS', 'utterance': 'Our singles began at 45 per night, sir.'}
 {'role': 'USR', 'utterance': "Good. In that case, I'll take a room, please."}]
{'role': 'SYS', 'utterance': 'Your name, please.'}