hello there . can you please find me a train schedule that leaves on wednesday heading for cambridge ?
user
yeah , i can do that . where are you heading in from ?
assistant
i would like to leave from broxbourne sometime after 12:30 .
user
i have 12 available trains . the first leaves at 12:32 and arrives at 13:32 . would you like me to book that for you ?
assistant
may i have the train id for that 1 ?