i travelling to cambridge and am looking for a train to the london kings cross station leaving on thursday . i want to depart from cambridge after 19:45 and arrive at london kings cross . i would like to book 4 . can you tell me the price for each ticket before i book them ?
where will you be traveling from on thursday ? tr0720 departs cambridge at 21:00 on thursday , heading to london kings cross . how many tickets do you need ?
{'service': 'train', 'act': 'inform', 'slot_name': 'ticket', 'value': '23.60 pounds'}
the cost for 1 ticket is 23.60 pounds .