i need a train into cambridge leaving after 20:30 , please .
user
i have 259 trains travelling to cambridge , could you be more specific on where you are departing from and what day and time ?
assistant
i am leaving london liverpool street on sunday after 20:30 .
user
there are 2 trains 1 leaves at 21:39 and 1 at 23:39
assistant
there are none closer to a 20:30 departure ?
user
the only other train for that route leaves at 21:39 and arrives in cambridge by 23:07 . that is train tr4890 . would that suit you better ?
assistant
that works . what is the price on that ? and how long is the ride ?
user
price is 13.28 pounds and the ride is 88 minutes . shall i get you some tickets ?
assistant
no , i am not ready to book yet . thanks for your help . i am all set .