i am looking for a train leaving from norwich .
user
sure . what time are you looking to leave ?
assistant
i would like to leave after 09:45
user
which day are you looking to travel ?
assistant
i am looking to go to cambridge on tuesday
user
okay , i have 14 trains on that route leaving hourly on the :16 from 10:16 to 23:16 . tr0667 leaves at 10:16 , arrives at 11:35 , with a total duration of 79 minutes .
assistant
ok , do you have 1 that leaves at 11:16 ? can you provide me with the train id for that 1 ?
user
yes , a train leaves at 11:16 with the id tr0839 .
assistant
thank you very much for your help !