i would like to find a train that will arrive in cambridge by 19:30 . norwich on tuesday . yes i would like to book that train for 8 people and also need the reference number please .
i found several trains for you ! where would you be departing from ? tr2175 will arrive in cambridge at 18:35 . would you like tickets on that train ?
{'service': 'train', 'act': 'offerbooked', 'slot_name': 'ref', 'value': 'plbfmns9'}
booking was successful ! your reference number is plbfmns9 .