i am planning a trip in cambridge
user
congratulations ! when are you traveling ? would you like to come by bus or train ?
assistant
train please . i need to leave cambridge on friday after 12:15 going to broxbourne .
user
there are 11 trains meeting those requirement -s , leaving once an hour starting at 13:01 . they all have a duration of 60 minutes and cost 17.90 pounds .
assistant
can you book me on the first train at 13:01 . i need 4 people to be reserved for . if i can get a reference number that would be great !