i need an information on a train from cambridge to ely , please .
user
there are several trains from cambridge to ely . what day and time would you like to travel ?
assistant
i would like to travel on saturday and get to ely by 21:30 .
user
the latest train will get you there by 20:17 . it departs at 19:50 . it is train tr6698 . would that work for you ?
assistant
can you tell me the price and travel time for that please ?
user
it will cost 3.52 pounds and takes 17 minutes total . would you like to book it ?
assistant
no , i am also looking for a cheap restaurant in the centre .
user
we have several cheap restaurant -s in the center of town . do you have a specific cuisine in mind ?
assistant
i am looking for something that offers light bites .