i am looking for a train departing after 11:15 from the birmingham new street location .
user
there are many trains leaving after 11:15 , the closet 1 leaving to that time will be at 11:40 and arrives at 14:23 .
assistant
okay , i need 1 going to cambridge on tuesday .
user
what is your preferred arrival time ?
assistant
i do not have a preferred arrival time . could you just book me 1 for 13:40 ?