i would like to take the train to cambridge from birmingham new street on tuesday , can you help me with that ?
user
i have many trains available on tuesday . do you have a time preference ?
assistant
yes , i would like to arrive by 19:30 , please .
user
the tr 4631 arrives by 19:23 . would you like to book this 1 ?
assistant
yes , book please and i need travel tome and price
user
how many tickets would you like me to book ?
assistant
i only need 1 ticket today .