need a train leaving on thursday after 14:30
user
i found 195 trains that match your prerequisites . what is your destination ?
assistant
i am going to london liverpool street from cambridge .
user
train tr3237 arrives at 17:27 and cost 16.60 pounds . would you like me to book it ?
assistant
no thanks , i am not sure how many seats i'll be needing yet .
user
okay . just call us back when you do .
assistant
oh , i am also looking for an african restaurant in the centre . . north african , to be exact .