I'm sorry I may have confused you. I would want to go from Petersborough to Cambridge on Saturday and arrive by 13:00, so anything that will get me there before that.
Sure, when would you like to depart?
It doesn't matter. I just need to get to Cambridge before 13:00. I will need 5 seats please.
The TR5538 departs Peterborough at 11:48 and arrives in Cambridge at 12:38 with a duration of 50 minutes. The cost is 13.20 pounds. Would you like to book a ticket on this train, or should we look at some other times?