inform((_:search,food,'chinese');(_:search,pricerange,'expensive');(_:search,type,'Restaurant'))
user
hello can i find a place that serves chinese food and has expensive price range for my family
request((_:search,area,?);(_:search,type,'Restaurant')) inform((_:result,amount,'several');(_:result,type,'Restaurant'))
system
I 've found several restaurants meeting your criteria . Is there a specific area of town you 're looking for ?
inform((_:search,day,'monday');(_:search,people,'four');(_:search,type,'Restaurant'))
user
i want a restuarant that i can book a table for four people on monday 1300hrs
offer((_:booking,type,'Booking')) inform((_:result,area,'East');(_:result,name,'Yu Garden');(_:result,type,'Restaurant'))
system
I have found Yu Garden in the East . Would you like me to go ahead and book that ?
inform((_:search,day,'monday');(_:search,duration,'13:00');(_:search,people,'4');(_:search,type,'Restaurant'))
user
Yes , please . for 4 people at 13:00 on monday .
canthelp((_:booking,type,'Booking')) request((_:booking,duration,?);(_:booking,type,'Booking'))
system
I was unable to book there , shall i try another time or place ?
inform((_:search,day,'tuesday');(_:search,type,'Restaurant'))
user
How about Tuesday , same time .
reqmore() inform((_:booking,day,'Tuesday');(_:booking,ref,'47ELJDK0');(_:booking,type,'Booking'))
system
Your table is booked for Tuesday and will be reserved for 15 minutes . Your reference number is   47ELJDK0 . Anything else ?
thank()
user
No , that 's all I need . Thank you !
system
Thank you , enjoy your stay in Cambridge .
_:search food chinese
_:search pricerange expensive
_:search type Restaurant
_:search food chinese
_:search pricerange expensive
_:search area ?
_:result amount several
_:result type Restaurant
_:search day monday
_:search people four
_:search type Restaurant
_:search food chinese
_:search pricerange expensive
_:search area ?
_:result amount several
_:system offered _:booking
_:booking type Booking
_:result area East
_:result name Yu Garden
_:result type Restaurant
_:search day monday
_:search duration 13:00
_:search people 4
_:search type Restaurant
_:search food chinese
_:search pricerange expensive
_:search area ?
_:result amount several
_:system offered _:booking
_:result area East
_:result name Yu Garden
_:result type Restaurant
_:search duration 13:00
_:search people 4
_:system canthelp _:booking/a5e4cb24
_:booking/a5e4cb24 type Booking
_:booking duration ?
_:booking type Booking
_:search day tuesday
_:search type Restaurant
_:search food chinese
_:search pricerange expensive
_:search area ?
_:result amount several
_:system offered _:booking
_:result area East
_:result name Yu Garden
_:result type Restaurant
_:search duration 13:00
_:search people 4
_:system canthelp _:booking/a5e4cb24
_:booking/a5e4cb24 type Booking
_:booking duration ?
_:search day tuesday
_:search type Restaurant
_:system inquired _:user
_:booking day Tuesday
_:booking ref 47ELJDK0
_:booking type Booking