i need to get out of cambridge quick ! can you find me a train for tomorrow , tuesday ?
user
i can help you . what is your destination ?
assistant
i would like to arrive to cambridge from broxbourne and would like to leave after 15:45 .
user
a train is leaving broxbourne at 16:32 , arriving cambridge at 17:32 . shall i book a seat for you ?
assistant
yes . i actually need 3 seats