i am looking for a saturday train departure from cambridge
user
what destination would you like me to look for ?
assistant
i am hoping for a train to bishops stortford after 21:15 .
user
there are 2 trains that fit this request . 1 at 21:29 and another at 23:29 . did you want me to book 1 of them for you ?
assistant
yes please book the train for 23:29 .
user
how many tickets do you need ?
assistant
i do not need a booking , but can you tell me the train id , travel time , and arrival time of that train ?
user
tr0123 is the train id . it leaves at 23:29 and arrives at 24:07 . did you need any more information about the train ?
assistant
no , but i need to find a restaurant . it should serve vietnamese food and it should be in the north .
user
unfortunately , i am not seeing any vietnamese restaurant -s in the north . would you like to try a different area or type of cuisine ?
assistant
how about a chinese restaurant . ideally expensive .