i need a train that goes to norwich .
user
great . on which day will you be traveling ?
assistant
i will be leaving on sunday
user
where will you be coming from ?
assistant
i'll be leaving from cambridge . is there a train that can get there before 17:15 ?
user
yes , there is 1 that departs at 5:36 and arrives at 6:55 will that work ?
assistant
that will work , can you book me seats for 7 and let me know the reference number ?