i am travelling to cambridge and i need a train leaving after 16:15 .
user
can you please give me your departure location ?
assistant
i am leaving from peterborough .
user
what day would you like to travel ?
assistant
i would like to leave on tuesday .
user
the tr0017 train leaves peterborough at 16:48 . would you like me to book you a seat on it ?
assistant
is there 1 a little earlier ? i would actually like to leave closer to 13:15 .
user
is there a time you would like to arrive by ?
assistant
no just to leave after 13:15 .
user
then train id tr4679 suits you . it leaves at 13:19
assistant
i would like to book for 3 people .