i need to take a train from cambridge , i need to arrive at my destination by 17:00 and i would like to leave on saturday . i need to get to norwich please .
okay , what day did you have in mind ? what station would you like to arrive at ?
{'service': 'train', 'act': 'inform', 'slot_name': 'id', 'value': 'tr3823'} {'service': 'train', 'act': 'inform', 'slot_name': 'arrive', 'value': '16:55'} {'service': 'train', 'act': 'offerbook', 'slot_name': 'none', 'value': 'none'}
tr3823 will arrive at 16:55 , would that work for you ?