hello . i need help planning a train trip .
user
i would be happy to help . are you departing from a specific station , or do you have a specific destination in mind ?
assistant
i would like to leave from london and travel to cambridge on saturday around 15:00
user
would you like to depart from london kings cross or london liverpool street ?
assistant
i would like to depart from cambridge .
user
please state your departure location and your destination . also , is 15:00 the time you want to leave or to arrive ?
assistant
i am leaving from cambridge going to broxbourne and want to arrive by 8:30 .