inform((_:search,area,'center');(_:search,pricerange,'cheap');(_:search,type,'Restaurant'))
user
I 'd like to find a cheap restaurant in the center of town .
select((_:result,food,'Chinese');(_:result,food,'Indian');(_:result,food,'Italian and so on');(_:result,type,'Restaurant')) request((_:search,food,?);(_:search,type,'Restaurant'))
system
Is there a type of food you prefer ? Chinese , Indian , Italian and so on ?
inform((_:search,food,'chinese');(_:search,type,'Restaurant'))
user
I 'd like Chinese , please .
inform((_:result,count,'3');(_:result,type,'Restaurant'))
system
I have three restaurants to choose from . Any preference ?
inform((_:search,area,'center');(_:search,food,'chinese');(_:search,pricerange,'cheap');(_:search,type,'Restaurant'))
user
Just cheap , Chinese and in the center of town .
offer((_:booking,type,'Booking')) inform((_:result,name,'rice house');(_:result,type,'Restaurant'))
system
You might enjoy the rice house . Would you like me to book it for you ?
inform((_:search,day,'wednesday');(_:search,duration,'13:15');(_:search,people,'8');(_:search,type,'Restaurant'))
user
I need a table for 8 at 13:15 on Wednesday .
reqmore() inform((_:booking,ref,'LHYLOV9Q');(_:booking,type,'Booking'))
system
You 're all set ! Your reference number is LHYLOV9Q . Do you need anything else ?
inform((_:search,type,'Train'))
user
i 'm also looking for a train .
request((_:search,day,?);(_:search,departure,?);(_:search,leave_at,?);(_:search,type,'Train'))
system
Sure , I can help you find one . What 's the departure city , time and day ?
inform((_:search,arrive_by,'18:00');(_:search,day,'thursday');(_:search,departure,'cambridge');(_:search,type,'Train'))
user
It should depart from Cambridge , arriving by 18:00 on Thursday
request((_:search,destination,?);(_:search,type,'Train'))
system
Where will you be headed ?
inform((_:search,destination,'london kings cross');(_:search,type,'Train'))
user
I am looking to go to London kings cross .
inform((_:result,arrive_by,'13:51');(_:result,leave_at,'13:00');(_:result,type,'Train')) offer((_:booking,category,'Train');(_:booking,type,'Booking'))
system
There is a 13:00 that would arrive by 13:51 .   Would that work ?
request((_:result,duration,?);(_:result,id,?);(_:result,type,'Train'))
user
Sure . Could you give me the train ID and travel time ?
inform((_:result,duration,'51 minutes');(_:result,type,'Train')) reqmore()
system
Train TR0315 has a travel time of 51 minutes . Anything else I can help with ?
thank()
user
No , that 's all I need today . Thank you .
system
Thanks for using our service today !
_:search area center
_:search pricerange cheap
_:search type Restaurant
_:search area center
_:search pricerange cheap
_:result food Chinese
_:result food Indian
_:result food Italian and so on
_:result type Restaurant
_:search food chinese
_:search type Restaurant
_:result food Chinese
_:result food Indian
_:result food Italian and so on
_:result count 3
_:result type Restaurant
_:search area center
_:search food chinese
_:search pricerange cheap
_:search type Restaurant
_:result food Chinese
_:result food Indian
_:result food Italian and so on
_:result count 3
_:search area center
_:search food chinese
_:search pricerange cheap
_:system offered _:booking
_:booking type Booking
_:result name rice house
_:result type Restaurant
_:search day wednesday
_:search duration 13:15
_:search people 8
_:search type Restaurant
_:result food Chinese
_:result food Indian
_:result food Italian and so on
_:result count 3
_:search area center
_:search food chinese
_:search pricerange cheap
_:system offered _:booking
_:result name rice house
_:result type Restaurant
_:search day wednesday
_:search duration 13:15
_:search people 8
_:system inquired _:user
_:booking ref LHYLOV9Q
_:booking type Booking
_:search type Train
_:result food Chinese
_:result food Indian
_:result food Italian and so on
_:result count 3
_:search area center
_:search food chinese
_:search pricerange cheap
_:system offered _:booking
_:result name rice house
_:result type Restaurant
_:search duration 13:15
_:search people 8
_:system inquired _:user
_:booking ref LHYLOV9Q
_:booking type Booking
_:search leave_at ?
_:search arrive_by 18:00
_:search day thursday
_:search departure cambridge
_:search type Train
_:result food Chinese
_:result food Indian
_:result food Italian and so on
_:result count 3
_:search area center
_:search food chinese
_:search pricerange cheap
_:system offered _:booking
_:result name rice house
_:result type Restaurant
_:search duration 13:15
_:search people 8
_:system inquired _:user
_:booking ref LHYLOV9Q
_:booking type Booking
_:search leave_at ?
_:search arrive_by 18:00
_:search day thursday
_:search departure cambridge
_:search destination london kings cross
_:search type Train
_:result food Chinese
_:result food Indian
_:result food Italian and so on
_:result count 3
_:search area center
_:search food chinese
_:search pricerange cheap
_:system offered _:booking
_:result name rice house
_:search duration 13:15
_:search people 8
_:system inquired _:user
_:booking ref LHYLOV9Q
_:booking type Booking
_:search leave_at ?
_:search arrive_by 18:00
_:search day thursday
_:search departure cambridge
_:search destination london kings cross
_:search type Train
_:result arrive_by 13:51
_:result leave_at 13:00
_:result type Train
_:booking category Train
_:result duration ?
_:result id ?
_:result food Chinese
_:result food Indian
_:result food Italian and so on
_:result count 3
_:search area center
_:search food chinese
_:search pricerange cheap
_:system offered _:booking
_:result name rice house
_:search duration 13:15
_:search people 8
_:booking ref LHYLOV9Q
_:booking type Booking
_:search leave_at ?
_:search arrive_by 18:00
_:search day thursday
_:search departure cambridge
_:search destination london kings cross
_:search type Train
_:result arrive_by 13:51
_:result leave_at 13:00
_:booking category Train
_:result id ?
_:result duration 51 minutes
_:result type Train
_:system inquired _:user