I am planning a trip in Cambridge and needs a train that will depart from Cambridge on Monday. Can you help me book for one? Okay! What is your destination? i'm trying to get to peterborough There are multiple trains that depart for peterborough. What time would you like to depart at? I need to arrive in Peterborough by 15:30. Well, the TR7786 will get you there at 15:24. Will that work for you? Can you tell me the travel time and price? Sure! travel time is 50 minutes and the price is 16.50.