i am looking for a train that is arriving by 13:00 and leaving on monday .
user
i can help you narrow your search if you give me your departure site and your destination ?
assistant
yes , i want to leave from cambridge and i am going to broxbourne .
user
how about the tr1213 ? it matches your specification -s and leaves at 9:01 . i can book this train if you would like .
assistant
how much does a seat for the tr1213 on monday cost ?