inform((_:search,food,'italian');(_:search,pricerange,'expensive');(_:search,type,'Restaurant'))
user
I need a restaurant . Something expensive and italian .
request((_:search,area,?);(_:search,type,'Restaurant')) inform((_:result,amount,'a couple of');(_:result,type,'Restaurant'))
system
I was able to get a couple of options for you , is there a certain area you would like to go to ?
inform((_:search,area,'centre');(_:search,type,'Restaurant'))
user
I would like to go to the centre , please .
inform((_:result,name,'stazione restaurant and coffee bar');(_:result,type,'Restaurant'))
system
How about stazione restaurant and coffee bar ?
inform((_:search,day,'thursday');(_:search,duration,'11:30');(_:search,people,'7');(_:search,type,'Restaurant'))
user
Okay , that sounds good .   I need a table for 7 at 11:30 on Thursday .
canthelp((_:booking,type,'Booking')) request((_:booking,day,?);(_:booking,duration,?);(_:booking,type,'Booking'))
system
Booking was unfortunately unsuccessful . Let 's try another day or time slot .
inform((_:search,duration,'10:30');(_:search,type,'Restaurant'))
user
Okay , will you try 10:30 instead ?
reqmore() inform((_:booking,duration,'10:30');(_:booking,ref,'4H1DRIF8');(_:booking,type,'Booking'))
system
You are booked for 10:30 . Your reference number is 4H1DRIF8 . Is there anything else I can assist you with ?
thank()
user
That 's all , thanks . Goodbye .
system
Enjoy your meal ! Goodbye !
_:search food italian
_:search pricerange expensive
_:search type Restaurant
_:search food italian
_:search pricerange expensive
_:result amount a couple of
_:result type Restaurant
_:search area centre
_:search type Restaurant
_:search food italian
_:search pricerange expensive
_:result amount a couple of
_:search area centre
_:result name stazione restaurant and coffee bar
_:result type Restaurant
_:search day thursday
_:search duration 11:30
_:search people 7
_:search type Restaurant
_:search food italian
_:search pricerange expensive
_:result amount a couple of
_:search area centre
_:result name stazione restaurant and coffee bar
_:result type Restaurant
_:search day thursday
_:search people 7
_:system canthelp _:booking/61310ab9
_:booking/61310ab9 type Booking
_:booking day ?
_:booking duration ?
_:booking type Booking
_:search duration 10:30
_:search type Restaurant
_:search food italian
_:search pricerange expensive
_:result amount a couple of
_:search area centre
_:result name stazione restaurant and coffee bar
_:result type Restaurant
_:search day thursday
_:search people 7
_:system canthelp _:booking/61310ab9
_:booking/61310ab9 type Booking
_:booking day ?
_:search duration 10:30
_:search type Restaurant
_:system inquired _:user
_:booking duration 10:30
_:booking ref 4H1DRIF8
_:booking type Booking