i want to book a train that departs from cambridge and arrives in peterborough by 21:45 .
user
not a problem . what day will that be for ?
assistant
i would like to travel on saturday . , cambridge to bishops stortford .
user
i have about 8 trains going that route . the last train for that route arrives at 20:07 . it leaves at 19:29 . would this arrival time work for you ?
assistant
yes , please book this for 4 people , please give me the reference number .