i need to go from cambridge to peterbourgh saturday .
user
tr7310 is leaving from cambridge at 05:06 and arriving at peterborough at 05:56 for 13.20
assistant
i am sorry . the train needs to going to cambridge from peterborough .
user
sorry about that , what time would you like to depart ?
assistant
i would like to leave after 18:15 . also , i would like to know the fare .