inform((_:search,day,'sunday');(_:search,type,'Train'))
user
I need a train on Sunday .
request((_:search,departure,?);(_:search,destination,?);(_:search,type,'Train'))
system
I 'd be happy to help ! Where are you coming from and where are you going ?
inform((_:search,departure,'kings lynn');(_:search,destination,'cambridge');(_:search,type,'Train'))
user
Coming from kings lynn to cambridge
request((_:search,arrive_by,?);(_:search,leave_at,?);(_:search,type,'Train'))
system
What time would you like to travel ?
inform((_:search,arrive_by,'17:15');(_:search,type,'Train'))
user
I need to arrive by 17:15 .
inform((_:result,amount,'several');(_:result,type,'Train')) request((_:search,arrive_by,?);(_:search,type,'Train'))
system
There are several trains that meet your criteria .   How early would you like to arrive ?   That will help me narrow down your choices .
inform((_:search,arrive_by,'17:15');(_:search,type,'Train'))
user
Just a little before 17:15 arrival would be great .
inform((_:result,arrive_by,'16:58');(_:result,id,'TR0864');(_:result,leave_at,'16:11');(_:result,ticket,'7.84');(_:result,type,'Train'))
system
There is a train that departs at 16:11 and arrives at 16:58 .   The train number is TR0864 and the cost is 7.84 per person .
request((_:result,food,?);(_:result,type,'Restaurant')) thank()
user
Okay , excellent . I am also looking for a restaurant called Bloomsbury . Can you tell me where it is and what kind of food ?
inform((_:result,address,'Crowne Plaza Hotel 20 Downing Street');(_:result,food,'international');(_:result,phone,'08719429180');(_:result,pricerange,'moderate');(_:result,type,'Restaurant'))
system
Sure , its at Crowne Plaza Hotel 20 Downing Street , their number is 08719429180 and they have a moderate price range with international food .
thank()
user
Thank you that is all I needed today . Have a nice day .
system
You 're welcome , have a nice day .
_:search day sunday
_:search type Train
_:search day sunday
_:search departure kings lynn
_:search destination cambridge
_:search type Train
_:search day sunday
_:search departure kings lynn
_:search destination cambridge
_:search leave_at ?
_:search arrive_by 17:15
_:search type Train
_:search day sunday
_:search departure kings lynn
_:search destination cambridge
_:search leave_at ?
_:result amount several
_:result type Train
_:search arrive_by 17:15
_:search type Train
_:search day sunday
_:search departure kings lynn
_:search destination cambridge
_:search leave_at ?
_:result amount several
_:search arrive_by 17:15
_:search type Train
_:result arrive_by 16:58
_:result id TR0864
_:result leave_at 16:11
_:result ticket 7.84
_:result type Train
_:result food ?
_:result type Restaurant
_:search day sunday
_:search departure kings lynn
_:search destination cambridge
_:search leave_at ?
_:result amount several
_:search arrive_by 17:15
_:search type Train
_:result arrive_by 16:58
_:result id TR0864
_:result leave_at 16:11
_:result ticket 7.84
_:result address Crowne Plaza Hotel 20 Downing Street
_:result food international
_:result phone 08719429180
_:result pricerange moderate
_:result type Restaurant