i am looking for a train that goes to cambridge and arrives at the destination after 13:00 .
user
i will be happy to find 1 for you . what day will you be traveling ?
assistant
i will be traveling on saturday and want to leave from peterborough .
user
i have a 13:17 or a 15:17 ? would those departure times work for you ?
assistant
no i need an earlier train .
user
i am afraid that s all we have got .
assistant
i am 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 .
user
sure , when would you like to depart ?
assistant
it does not matter . i just need to get to cambridge before 13:00 . i will need 5 seats please .