can i please book a train to bishops stortford on saturday ?
user
where would you like to depart from ?
assistant
i would like to leave cambridge and arrive by 17:30 .
user
i have the tr0121 train available . it departs from cambridge at 15:29 and arrives at bishops stortford at 16:07 . would you like to book a ticket ?
assistant
yes . please book for 2 people .