inform((_:search,category,'hotel');(_:search,pricerange,'moderately');(_:search,stars,'4-star');(_:search,type,'Hotel'))
user
I 'm trying to find a 4-star hotel that 's moderately priced please
request((_:search,area,?);(_:search,type,'Hotel'))
system
Do you have a certain area you would like ?
inform((_:search,area,'dontcare');(_:search,has_internet,'yes');(_:search,type,'Hotel'))
user
No . but it should also have free wifi .
canthelp((_:search,category,'hotels');(_:search,type,'Hotel')) reqmore()
system
I was not able to find any hotels matching that requirement , is there something else you would like to try ?
inform((_:search,has_internet,'yes');(_:search,pricerange,'moderately');(_:search,stars,'4');(_:search,type,'Hotel'))
user
You do n't have any moderately priced 4 stars with wifi ?
inform((_:result,category,'guesthouses');(_:result,type,'Hotel'))
system
We do have guesthouses available . Is that okay ?
inform((_:search,people,'5');(_:search,type,'Hotel'))
user
Yes if you can find a place for 5 people
request((_:booking,day,?);(_:booking,stay,?);(_:booking,type,'Booking'))
system
I can help ! for how many days starting when ?
inform((_:search,day,'wednesday');(_:search,stay,'2');(_:search,type,'Hotel'))
user
2 nights , starting on Wednesday please
inform((_:booking,name,'acorn guest house');(_:booking,ref,'MZ8CPFEK');(_:booking,type,'Booking'))
system
The acorn guest house Booking was successful . 
 Reference number is : MZ8CPFEK
inform((_:search,name,'rice boat');(_:search,type,'Restaurant'))
user
Great ! Thank you . I need to find a restaurant called rice boat .
system
What would you like to know about it ?
request((_:result,food,?);(_:result,type,'Restaurant'))
user
What type of food do they serve ?
offer((_:booking,type,'Booking')) reqmore() inform((_:result,food,'Indian');(_:result,type,'Restaurant'))
system
They serve Indian food . Do you need any other information , or help making a booking ?
user
Not at this time .
system
Alright , well if there 's nothing else i can do for you today , enjoy your time in Cambridge !
_:search category hotel
_:search pricerange moderately
_:search stars 4-star
_:search type Hotel
_:search category hotel
_:search pricerange moderately
_:search stars 4-star
_:search area dontcare
_:search has_internet yes
_:search type Hotel
_:search category hotel
_:search area dontcare
_:system canthelp _:search/39cb2c79
_:search/39cb2c79 category hotels
_:search/39cb2c79 type Hotel
_:system inquired _:user
_:search has_internet yes
_:search pricerange moderately
_:search stars 4
_:search type Hotel
_:search category hotel
_:search area dontcare
_:system canthelp _:search/39cb2c79
_:search/39cb2c79 category hotels
_:search/39cb2c79 type Hotel
_:system inquired _:user
_:search has_internet yes
_:search pricerange moderately
_:search stars 4
_:result category guesthouses
_:result type Hotel
_:search people 5
_:search type Hotel
_:search category hotel
_:search area dontcare
_:system canthelp _:search/39cb2c79
_:search/39cb2c79 category hotels
_:search/39cb2c79 type Hotel
_:system inquired _:user
_:search has_internet yes
_:search pricerange moderately
_:search stars 4
_:result category guesthouses
_:result type Hotel
_:search people 5
_:booking day ?
_:booking stay ?
_:booking type Booking
_:search day wednesday
_:search stay 2
_:search type Hotel
_:search category hotel
_:search area dontcare
_:system canthelp _:search/39cb2c79
_:search/39cb2c79 category hotels
_:search/39cb2c79 type Hotel
_:system inquired _:user
_:search has_internet yes
_:search pricerange moderately
_:search stars 4
_:result category guesthouses
_:result type Hotel
_:search people 5
_:booking day ?
_:booking stay ?
_:search day wednesday
_:search stay 2
_:booking name acorn guest house
_:booking ref MZ8CPFEK
_:booking type Booking
_:search name rice boat
_:search type Restaurant
_:search category hotel
_:search area dontcare
_:system canthelp _:search/39cb2c79
_:search/39cb2c79 category hotels
_:search/39cb2c79 type Hotel
_:system inquired _:user
_:search has_internet yes
_:search pricerange moderately
_:search stars 4
_:result category guesthouses
_:result type Hotel
_:search people 5
_:booking day ?
_:booking stay ?
_:search day wednesday
_:search stay 2
_:booking name acorn guest house
_:booking ref MZ8CPFEK
_:booking type Booking
_:search name rice boat
_:search type Restaurant
_:result food ?
_:result type Restaurant
_:search category hotel
_:search area dontcare
_:system canthelp _:search/39cb2c79
_:search/39cb2c79 category hotels
_:search/39cb2c79 type Hotel
_:search has_internet yes
_:search pricerange moderately
_:search stars 4
_:result category guesthouses
_:search people 5
_:booking day ?
_:booking stay ?
_:search day wednesday
_:search stay 2
_:booking name acorn guest house
_:booking ref MZ8CPFEK
_:booking type Booking
_:search name rice boat
_:search type Restaurant
_:system offered _:booking
_:system inquired _:user
_:result food Indian
_:result type Restaurant