i would like to take a train from cambridge to leicester . i have to get there for a dinner by 19:15 .
user
i can help with that . what day is your dinner ?
assistant
it is on tuesday .
user
i have train tr4506 that leaves at 17:21 and arrives in leicester at 19:06 . would this work for you ?
assistant
that s perfect . that s all i need for now .