i need a train ticket to cambridge , sometime after 15:45 if you can find 1 .
user
there are over 600 trains to cambridge that leave after 15:45 . can you tell me the day you are traveling and your departure station ?
assistant
departure is sunday from ely .
user
i found 4 trains , 1 leaves at 17:35 , 19:35 , 21:35 or 23:35 . which would you like to book ?
assistant
i'll book the 1 that leaves at 17:35 . what time does the train arrive ?
user
it arrives at 17:52 . shall i go ahead and book it for you ?
assistant
no . i am looking for a a gastropub restaurant in the centre .
user
there are 3 gastropubs in the centre . 2 are expensive the other is moderate . do you have a preference in the price range ?
assistant
yes , i need 1 in the cheap price range please .