i am looking for a train departing from ely going to cambridge ?
user
is there a day of the week you would like ?
assistant
yes . i am looking for a train that s leaving on wednesday after 19:30 .
user
i have 1 leaving at 19:35 and arriving at 9:52 will this work for you ?
assistant
this train sounds good , but wouldn't like to book yet . can i get the train id ?