i am looking for a train . i need to leave on tuesday and want to arrive by 20:45 .
user
where are you departing from ? and where would you like to go ?
assistant
i am heading to cambridge , and i would like to leave from peterborough .
user
the last train into cambridge before 20:45 is the tr2673 , arriving at 20:38 . you would leave peterborough at 19:48 .
assistant
that will do , what is the price and train id ?
user
the price is 16.50 pounds . the train id is tr2673 . shall i book it for you ?
assistant
no thank you . i am looking for a place to stay though that has free parking and expensive . do you have anything like that there ?
user
i have got 5 hotel -s here that fit your criteria , including 24 star hotel -s . would you like to hear more about 1 of those ?
assistant
yes , please tell me about the 4 star hotel -s , the cheap -er of the 2 .