i would like you to help me find a train departure . the train should leave on thursday and arrive at cambridge .
user
where will you be leaving from ?
assistant
from bishops stortford after 15:00
user
alright , would you like me to make a booking for you ?
assistant
no , i just need the train id and arrival time
user
i am sorry , there are no trains that day . would you like to try another day ?
assistant
i think you should try again . cambridge to bishop stafford on thursday .
user
i have 5 trains . they depart 15:29 , 17:29 , 19:29 , 21:29 , 23:29 . they are all 38 mins travel duration .
assistant
please give me the info for a train meeting the above listed criteria .