hi , could you help me find a train departing from london kings cross ?
user
i would be happy to help you find a train . what is your destination ?
assistant
i'll be going to cambridge on thursday .
user
trains run that route every couple of hour -s . do you have a preferred time to leave or arrive ?
assistant
i would like to arrive by 20:00 .
user
the latest arrival is tr1149 at 17:17 , is that ok ?
assistant
sounds great . when will that be leaving the station ?
user
this train leaves at 17:17 .
assistant
get me the price . also find me a 4 star hotel in the north