i am looking to book a train that goes to ely and leaves on sunday please . yes , i need to leave after 15:45 . yes that will work thank you .
there are 10 trains leaving from cambridge to ely . is there a particular departure or arrival time you would prefer ? tr5713 leaves at 15:50 and arrives by 16:07 . will that work for you ?
{'service': 'train', 'act': 'offerbook', 'slot_name': 'id', 'value': 'tr5713'} {'service': 'train', 'act': 'request', 'slot_name': 'people', 'value': '?'}
how many tickets would you like me to book for train tr5713 ?