hi , i need a train out of cambridge , thanks !
user
sure , where will you be traveling to ?
assistant
i will be going to london liverpool street .
user
there are 70 trains available . is there a specific day and time you would like to leave or arrive by ?
assistant
i would like the train to leave on friday after 15:30 .
user
tr9956 i believe would be my choice . thank you .
assistant
ok , can you book that for 8 people , please ?