inform((_:search,area,'west');(_:search,pricerange,'moderately');(_:search,type,'Restaurant'))
user
Yes . I am looking for a moderately priced restaurant in the west part of town .
select((_:result,food,'British');(_:result,food,'Indian');(_:result,food,'Italian');(_:result,type,'Restaurant'))
system
Would you prefer British , Indian , or Italian food ?
inform((_:search,food,'indian');(_:search,type,'Restaurant'))
user
Indian , please .
inform((_:result,food,'indian');(_:result,name,'meghna');(_:result,type,'Restaurant'))
system
meghna is an indian restaurant .   Would you like the phone number ?
request((_:result,address,?);(_:result,type,'Restaurant'))
user
Yes , please . And also the address .
inform((_:result,address,'205 Victoria Road Chesterton');(_:result,phone,'01223 727410');(_:result,type,'Restaurant'))
system
The address is 205 Victoria Road Chesterton and the phone number is 01223 727410 .
thank()
user
Thank you goodbye .
system
Thank you . Have a nice day !
_:search area west
_:search pricerange moderately
_:search type Restaurant
_:search area west
_:search pricerange moderately
_:result food British
_:result food Indian
_:result food Italian
_:result type Restaurant
_:search food indian
_:search type Restaurant
_:search area west
_:search pricerange moderately
_:search food indian
_:search type Restaurant
_:result food indian
_:result name meghna
_:result type Restaurant
_:result address ?
_:search area west
_:search pricerange moderately
_:search food indian
_:search type Restaurant
_:result food indian
_:result name meghna
_:result address 205 Victoria Road Chesterton
_:result phone 01223 727410
_:result type Restaurant