i am looking for a train . i need to leave from cambridge on tuesday and go to leicester .
user
do you have a time that you would like to leave by or arrive by ?
assistant
yes , i need to arrive by 8:45 .
user
tr2950 will arrive at 08:06 , would that work for you ?
assistant
yes , can i get 6 tickets please and i'll need the reference number too