i am looking for a train to peterborough .
user
ok , and what day and time are you looking for ?
assistant
i am looking to go from cambridge to peterborough and leave after 14:15
user
there are 133 trains making that trip , do you have a day you prefer ?
assistant
i'll be traveling on tuesday .
user
great . you can leave as soon as 14:34 or as late as 23:24 . do you have a preference ?
assistant
i will take the 14:34 . can you book that for 4 people and provide me with a reference number please ?