inform((_:search,area,'centre');(_:search,food,'mexican');(_:search,type,'Restaurant'))
user
Are there any Mexican restaurants in the centre ?
request((_:search,area,?);(_:search,type,'Restaurant')) canthelp((_:search,area,'centre');(_:search,food,'Mexican');(_:search,type,'Restaurant'))
system
Sorry no , there are no Mexican restaurants in the centre of town . Would you like to check another area ?
inform((_:search,food,'indian');(_:search,type,'Restaurant'))
user
Sure .   I would be interested in Indian restaurants also .
inform((_:result,food,'Indian');(_:result,name,'Curry Garden');(_:result,type,'Restaurant'))
system
Curry Garden is in that part of town and they serve Indian food .
inform((_:search,day,'sunday');(_:search,duration,'18:00');(_:search,people,'7');(_:search,type,'Restaurant'))
user
Please book this for 7 people , at 18:00 on Sunday .
canthelp((_:booking,day,'Sunday');(_:booking,duration,'18:00');(_:booking,type,'Booking')) request((_:booking,day,?);(_:booking,duration,?);(_:booking,type,'Booking'))
system
Unfortunately there is nothing available for 18:00 on Sunday . Would another date or time work for you ?
inform((_:search,day,'sunday');(_:search,duration,'17:00');(_:search,type,'Restaurant'))
user
Try 17:00 on Sunday .
reqmore() inform((_:booking,duration,'17:00');(_:booking,ref,'TTP6GYCJ');(_:booking,type,'Booking'))
system
Of course . You 're booked at 17:00 with reference number TTP6GYCJ . The table will be reserved for 15 minutes . May I assist with anything else ?
thank()
user
No , that 'll do it !   Thanks !
system
You 're welcome , enjoy your meal .
_:search area centre
_:search food mexican
_:search type Restaurant
_:search area ?
_:system canthelp _:search/0ef2bfaa
_:search/0ef2bfaa area centre
_:search/0ef2bfaa food Mexican
_:search/0ef2bfaa type Restaurant
_:search food indian
_:search type Restaurant
_:search area ?
_:system canthelp _:search/0ef2bfaa
_:search/0ef2bfaa area centre
_:search/0ef2bfaa food Mexican
_:search/0ef2bfaa type Restaurant
_:search food indian
_:result food Indian
_:result name Curry Garden
_:result type Restaurant
_:search day sunday
_:search duration 18:00
_:search people 7
_:search type Restaurant
_:search area ?
_:system canthelp _:search/0ef2bfaa
_:search/0ef2bfaa area centre
_:search/0ef2bfaa food Mexican
_:search/0ef2bfaa type Restaurant
_:search food indian
_:result food Indian
_:result name Curry Garden
_:result type Restaurant
_:search people 7
_:system canthelp _:booking/1fc73923
_:booking/1fc73923 day Sunday
_:booking/1fc73923 duration 18:00
_:booking/1fc73923 type Booking
_:booking day ?
_:booking duration ?
_:booking type Booking
_:search day sunday
_:search duration 17:00
_:search type Restaurant
_:search area ?
_:system canthelp _:search/0ef2bfaa
_:search/0ef2bfaa area centre
_:search/0ef2bfaa food Mexican
_:search/0ef2bfaa type Restaurant
_:search food indian
_:result food Indian
_:result name Curry Garden
_:result type Restaurant
_:search people 7
_:system canthelp _:booking/1fc73923
_:booking/1fc73923 day Sunday
_:booking/1fc73923 duration 18:00
_:booking/1fc73923 type Booking
_:booking day ?
_:search day sunday
_:search duration 17:00
_:search type Restaurant
_:system inquired _:user
_:booking duration 17:00
_:booking ref TTP6GYCJ
_:booking type Booking