inform((_:search,food,'modern european');(_:search,pricerange,'moderate');(_:search,type,'Restaurant'))
user
I am looking to try a local restaurant that serves modern European cuisine and has a moderate price range
inform((_:result,area,'south');(_:result,food,'modern european food');(_:result,name,'almentum');(_:result,type,'Restaurant'))
system
There is restaurant almentum that serves modern european food in the south part of town .
inform((_:search,day,'saturday');(_:search,duration,'17:30');(_:search,people,'1');(_:search,type,'Restaurant')) request((_:result,ref,?);(_:result,type,'Restaurant'))
user
Book a table for 1 person at 17:30 on Saturday . Give me the reference number .
inform((_:booking,ref,'5U78RXDV');(_:booking,type,'Booking'))
system
Booking was successful . The table will be reserved for 15 minutes . 
 Reference number is : 5U78RXDV .
inform((_:search,area,'north');(_:search,type,'Hotel'))
user
I am also looking for a place to stay in the north
request((_:search,has_internet,?);(_:search,pricerange,?);(_:search,stars,?);(_:search,type,'Hotel')) inform((_:result,amount,'many');(_:result,type,'Hotel'))
system
Okay I have many choices for you . Could we narrow it down by price and star rating ? Will you be looking for parking and wifi amenities/
inform((_:search,has_internet,'dontcare');(_:search,has_parking,'yes');(_:search,type,'Hotel'))
user
I do n't care about wifi but I definitely need free parking .
system
Acorn guest house has parking . Would you like me to book that ?
_:search food modern european
_:search pricerange moderate
_:search type Restaurant
_:search food modern european
_:search pricerange moderate
_:result area south
_:result food modern european food
_:result name almentum
_:result type Restaurant
_:search day saturday
_:search duration 17:30
_:search people 1
_:search type Restaurant
_:result ref ?
_:search food modern european
_:search pricerange moderate
_:result area south
_:result food modern european food
_:result name almentum
_:result type Restaurant
_:search day saturday
_:search duration 17:30
_:search people 1
_:result ref ?
_:booking ref 5U78RXDV
_:booking type Booking
_:search area north
_:search type Hotel
_:search food modern european
_:result area south
_:result food modern european food
_:result name almentum
_:search day saturday
_:search duration 17:30
_:search people 1
_:result ref ?
_:booking ref 5U78RXDV
_:booking type Booking
_:search area north
_:search pricerange ?
_:search stars ?
_:result amount many
_:result type Hotel
_:search has_internet dontcare
_:search has_parking yes
_:search type Hotel