i am looking for a train leaving on saturday . the train should depart from cambridge and arrive in standsted airport . i do not have a departure time in stone , but i need to arrive by 17:15 . yes , please book the tr0638 . i need 7 tickets .
there are several trains leaving on sunday . do you have a departure and destination in mind ? i have 19 trains leaving cambridge for standsted on saturday . did you have a particular departure time in mind ? the tr2001 is the last train of the day and arrives at 17:08 . the train before it is tr0638 and arrives at 16:08 . do you want me to book 1 for you ?
{'service': 'train', 'act': 'offerbooked', 'slot_name': 'ref', 'value': '6j063kbl'}
your tickets are reserved . that reference number is 6j063kbl .