i want to book a train . i would like to depart from cambridge and arrive by 16:45
user
what is your destination ?
assistant
the train should depart from cambridge and should arrive by 16:45 . going to ely
user
what day will you be travelling ?
assistant
i would like to go on saturday .
user
how about tr8860 ?
assistant
sure , i would like to book that train for 4 passengers .
user
booking was successful , the total fee is 14.08 gbp payable at the station . reference number is : vx48zgh0 .
assistant
that s wonderful . i am all set . thank you . goodbye .