i need a train to arrive by 12:15 on saturday . can you help me ?
user
wonderful , i can help you . could you help me by telling me where you are departing from , and where you would like to arrive ?
assistant
i am leaving birmingham new street going to cambridge . i need a ticket that leaves on saturday and will get me there by 12:15 , can you help ?
user
the train closest to your requested arrival time is the tr4382 . it departs birmingham new street at 08:40 and arrives in cambridge at 11:23 . shall i book you a ticket ?
assistant
i am not ready to book , but appreciate the information .