i need a train that goes from broxbourne to cambridge please .
user
what is your departure day and time ?
assistant
i need to depart on thursday and arrive by 08:30 . i do not care when i depart .
user
tr5725 leaves at 0632 and arrives at 0732 . would you like me to book ?
assistant
yes , thank you .
user
i would be happy to book that for you . how many tickets do you need ?
assistant
just 1 . may i have the reference number for that ? i would also like information for visiting a park in the town center .