i am planning a trip in cambridge . i need a train from norwich to cambridge on friday , please . i need to get there at about 10:30 . can you book it for me and get a reference number ?
sure , what can i help you find ? tr3293 will arrive by 9:35 . would you like to book a seat ?
{'service': 'train', 'act': 'request', 'slot_name': 'people', 'value': '?'}
how many tickets do you need ?