hi ! i need a train to london liverpool street . i need an early 1 , arriving there by 8:30 .
user
i have 14 trains that will arrive before that time , is there a particular day you would like ?
assistant
i would like to leave on wednesday .
user
i have no trains leaving at that time on wednesday . could you pick a different time or date ?
assistant
you have no trains departing cambridge to london liverpool street on wednesday that will arrive by 8:30 ?
user
oh wait i have found you 1 that departs at 5:59 and arrives in london at 7:27 . would that do ? everything else is later .
assistant
yes that is fine . how long is the journey and how much is the ticket by the way ?
user
it will be 88 minutes and the price is 16.60 pounds . shall i book a ticket ?
assistant
yes book me a ticket please .