inform((_:search,departure,'norwich');(_:search,type,'Train'))
user
I want a train leaving from norwich .
request((_:search,day,?);(_:search,type,'Train'))
system
When will you be traveling ?
inform((_:search,day,'friday');(_:search,type,'Train'))
user
I will be traveling by train , on Friday .
inform((_:result,destination,'Cambridge');(_:result,type,'Train')) request((_:search,arrive_by,?);(_:search,destination,?);(_:search,leave_at,?);(_:search,type,'Train'))
system
Sure .   Can I just confirm that your destination is Cambridge ? And , is there a particular time frame you prefer ?
inform((_:search,arrive_by,'08:30');(_:search,destination,'cambridge');(_:search,type,'Train'))
user
Yes , my destination is Cambridge . I would love to arrive by 08:30 please .
inform((_:result,arrive_by,'07:35');(_:result,destination,'Cambridge');(_:result,id,'TR3339');(_:result,type,'Train'))
system
TR3339 is your best bet . It will arrive in Cambridge at 07:35 .
inform((_:search,category,'guesthouse');(_:search,stars,'3');(_:search,type,'Hotel'))
user
Okay . Could you also help me with a a place to stay . I am looking for a guesthouse with 3 stars .
system
Alpha Milton Guest House is a nice place , do you want more information ? >
_:search departure norwich
_:search type Train
_:search departure norwich
_:search day friday
_:search type Train
_:search departure norwich
_:search day friday
_:result destination Cambridge
_:result type Train
_:search leave_at ?
_:search arrive_by 08:30
_:search destination cambridge
_:search type Train
_:search departure norwich
_:search day friday
_:search leave_at ?
_:search arrive_by 08:30
_:search destination cambridge
_:result arrive_by 07:35
_:result destination Cambridge
_:result id TR3339
_:result type Train
_:search category guesthouse
_:search stars 3
_:search type Hotel