i need a train leaving from cambridge .
user
absolutely , what day of departure and what destination location ?
assistant
i am heading to london kings cross and would need the train for wednesday please . oh and i need to leave after 18:00 sometime .
user
okay , the tr8676 train leaves at 19:00 and arrives at 19:51 . would you like to purchase tickets ?
assistant
yes i need that for 3 people please .