inform((_:search,food,'world');(_:search,pricerange,'cheap');(_:search,type,'Restaurant'))
user
I 'm looking for a cheap restaurant that serves world food ?
request((_:search,food,?);(_:search,type,'Restaurant')) canthelp((_:search,type,'Restaurant'))
system
Unfortunately there are now restaurants that meet those specifications . Would you like me to look for a different kind of food ?
inform((_:search,area,'north');(_:search,type,'Restaurant'))
user
The restaurant should be in the north .
select((_:result,area,'north');(_:result,food,'Asian Oriental');(_:result,food,'Chinese');(_:result,food,'European');(_:result,food,'French');(_:result,food,'Indian');(_:result,food,'Italian');(_:result,type,'Restaurant'))
system
The only restaurants in the north serve Asian Oriental , Chinese , European , French , Indian or Italian food . Would you like to change to one of those ?
inform((_:search,area,'north');(_:search,food,'indian');(_:search,type,'Restaurant'))
user
Tell me about the Indian restaurants in the north then please ?
inform((_:result,count,'2');(_:result,food,'Indian');(_:result,name,'The royal spice');(_:result,name,'royal spice');(_:result,name,'the nirala');(_:result,pricerange,'cheap');(_:result,pricerange,'moderate');(_:result,type,'Restaurant'))
system
There are two Indian restaurants , the nirala and royal spice . The royal spice is in the cheap range and the nirala is in the moderate price range .
inform((_:search,name,'royal spice');(_:search,type,'Restaurant'))
user
Can you book me a table for two at the Royal Spice ?
request((_:booking,day,?);(_:booking,type,'Booking'))
system
What day would you like this reservation to be available for ?
inform((_:search,day,'tuesday');(_:search,duration,'17:30');(_:search,people,'2');(_:search,type,'Restaurant'))
user
I need a booking for 2 people at 17:30 on tuesday .
canthelp((_:booking,type,'Booking')) reqmore()
system
Booking was unsuccessful . Would you like to find another restaurant ?
inform((_:search,area,'same area');(_:search,pricerange,'same area and price range');(_:search,type,'Restaurant'))
user
Yes .   Can you look for something in the same area and price range please ?
inform((_:booking,name,'da vinci pizzeria');(_:booking,ref,'W6MFU6XD');(_:booking,type,'Booking'))
system
I can get a table for you at da vinci pizzeria . This is the only other place to eat in that area . Reference number is W6MFU6XD .
thank()
user
That is perfect . Thank you for all the help !
system
Thank you for using our system !
_:search food world
_:search pricerange cheap
_:search type Restaurant
_:search pricerange cheap
_:search food ?
_:system canthelp _:search/223f621b
_:search/223f621b type Restaurant
_:search area north
_:search type Restaurant
_:search pricerange cheap
_:system canthelp _:search/223f621b
_:search/223f621b type Restaurant
_:result area north
_:result food Asian Oriental
_:result food Chinese
_:result food European
_:result food French
_:result food Indian
_:result food Italian
_:result type Restaurant
_:search area north
_:search food indian
_:search type Restaurant
_:search pricerange cheap
_:system canthelp _:search/223f621b
_:search/223f621b type Restaurant
_:result area north
_:search area north
_:search food indian
_:result count 2
_:result food Indian
_:result name The royal spice
_:result name royal spice
_:result name the nirala
_:result pricerange cheap
_:result pricerange moderate
_:result type Restaurant
_:search name royal spice
_:search type Restaurant
_:search pricerange cheap
_:system canthelp _:search/223f621b
_:search/223f621b type Restaurant
_:result area north
_:search area north
_:search food indian
_:result count 2
_:result food Indian
_:result name The royal spice
_:result name royal spice
_:result name the nirala
_:result pricerange cheap
_:result pricerange moderate
_:result type Restaurant
_:search name royal spice
_:booking day ?
_:booking type Booking
_:search day tuesday
_:search duration 17:30
_:search people 2
_:search type Restaurant
_:system canthelp _:search/223f621b
_:search/223f621b type Restaurant
_:result area north
_:search food indian
_:result count 2
_:result food Indian
_:result name The royal spice
_:result name royal spice
_:result name the nirala
_:result pricerange cheap
_:result pricerange moderate
_:result type Restaurant
_:search name royal spice
_:booking day ?
_:booking type Booking
_:search day tuesday
_:search duration 17:30
_:search people 2
_:system canthelp _:booking/333a6455
_:booking/333a6455 type Booking
_:system inquired _:user
_:search area same area
_:search pricerange same area and price range
_:search type Restaurant
_:system canthelp _:search/223f621b
_:search/223f621b type Restaurant
_:result area north
_:search food indian
_:result count 2
_:result food Indian
_:result name The royal spice
_:result name royal spice
_:result name the nirala
_:result pricerange cheap
_:result pricerange moderate
_:result type Restaurant
_:search name royal spice
_:booking day ?
_:search day tuesday
_:search duration 17:30
_:search people 2
_:system canthelp _:booking/333a6455
_:booking/333a6455 type Booking
_:system inquired _:user
_:search area same area
_:search pricerange same area and price range
_:search type Restaurant
_:booking name da vinci pizzeria
_:booking ref W6MFU6XD
_:booking type Booking