hello , can you give me some information on a train ?
user
i absolutely can . where are you looking to go ?
assistant
i plan to go to cambridge and will be departing from norwich on saturday and plan to ride a train that should arrive cambridge by 16:00 .
user
okay , there are several departure times that fit what you are looking for . the earliest is 5:16 . would you like me to book that for you ?
assistant
can you give me the travel time , departure time and train id for the 1 arriving closest to 16:00 please ?