i would like to find a train that leaves on friday and arrives by 19:30 .
user
what location will you be departing from and what location will you be arriving at ?
assistant
i need to go from broxbourne to cambridge by 19:30 .
user
tr4322 will depart broxbourne at 17:32 and arrive in cambridge at 18:32 . would you like tickets for that train ?
assistant
can you give me the price and travel time on that ?