i am looking for a train that goes to london liverpool street and leaves after 17:15 .
user
i can certainly help you with that . which day did you have in mind to travel ?
assistant
i want to leave on friday .
user
unfortunately , the only train i have matching your criteria is 1 leaving 23:59 and arriving at 01:27 in the morning . did you want to book that ?
assistant
yes that s fine . i'll take 8 tickets for that train please .