inform((_:search,area,'centre');(_:search,food,'persian');(_:search,type,'Restaurant'))
user
I want to find a restaurant in the centre part of town and serves persian food .
canthelp((_:search,type,'Restaurant')) inform((_:result,area,'Centre');(_:result,food,'Persian');(_:result,type,'Restaurant'))
system
There are no restaurants serving Persian food in the Centre part of town .
inform((_:search,food,'thai');(_:search,type,'Restaurant'))
user
I would like a thai restaurant then .
request((_:search,pricerange,?);(_:search,type,'Restaurant')) inform((_:result,amount,'several');(_:result,area,'centre');(_:result,food,'Thai');(_:result,type,'Restaurant'))
system
I see several options for Thai food in the city centre . Would you like to narrow them down by price ?
inform((_:search,pricerange,'expensive');(_:search,type,'Restaurant'))
user
Yes please . Like to hear least to most expensive first .
inform((_:result,amount,'only');(_:result,name,'bangkok city');(_:result,pricerange,'expensive');(_:result,type,'Restaurant'))
system
bangkok city is the only result and it is expensive .
request((_:result,address,?);(_:result,phone,?);(_:result,type,'Restaurant'))
user
What is the address and phone number ?
reqmore() inform((_:result,address,'24 Green Street City Centr');(_:result,name,'Bangkok city');(_:result,phone,'01223 354382');(_:result,type,'Restaurant'))
system
The address for Bangkok city is   24 Green Street City Centr , and the phone number is 01223 354382 . Is there anything else I can help you with ?
thank()
user
Thank you , goodbye
system
Have a nice day !
_:search area centre
_:search food persian
_:search type Restaurant
_:search area centre
_:system canthelp _:search/4ac8a8e4
_:search/4ac8a8e4 type Restaurant
_:result area Centre
_:result food Persian
_:result type Restaurant
_:search food thai
_:search type Restaurant
_:search area centre
_:system canthelp _:search/4ac8a8e4
_:search/4ac8a8e4 type Restaurant
_:search food thai
_:result amount several
_:result area centre
_:result food Thai
_:result type Restaurant
_:search pricerange expensive
_:search type Restaurant
_:search area centre
_:system canthelp _:search/4ac8a8e4
_:search/4ac8a8e4 type Restaurant
_:search food thai
_:result area centre
_:result food Thai
_:search pricerange expensive
_:search type Restaurant
_:result amount only
_:result name bangkok city
_:result pricerange expensive
_:result type Restaurant
_:result address ?
_:result phone ?
_:search area centre
_:system canthelp _:search/4ac8a8e4
_:search/4ac8a8e4 type Restaurant
_:search food thai
_:result area centre
_:result food Thai
_:search pricerange expensive
_:search type Restaurant
_:result amount only
_:result pricerange expensive
_:system inquired _:user
_:result address 24 Green Street City Centr
_:result name Bangkok city
_:result phone 01223 354382
_:result type Restaurant