inform((_:search,category,'hotel');(_:search,has_internet,'no');(_:search,has_parking,'yes');(_:search,type,'Hotel'))
user
Hi , I am looking for a nice hotel to stay in .   I would like it to include free parking .   Internet access is not necessary .
request((_:search,pricerange,?);(_:search,type,'Hotel')) inform((_:result,amount,'many');(_:result,type,'Hotel'))
system
i have many . will you please state the price ?
inform((_:search,pricerange,'dontcare');(_:search,type,'Hotel'))
user
I do n't care about the price .
inform((_:result,area,'north');(_:result,category,'hotel');(_:result,name,'acorn guest house');(_:result,stars,'4');(_:result,type,'Hotel')) offer((_:booking,type,'Booking'))
system
acorn guest house is a 4 star hotel located north of cambridge would you like to reserve ?
inform((_:search,has_internet,'yes');(_:search,type,'Hotel'))
user
Do they have internet ?
offer((_:booking,type,'Booking')) inform((_:result,has_internet,'none');(_:result,type,'Hotel'))
system
Yes it does . Shall I book it ?
inform((_:search,day,'friday');(_:search,has_internet,'yes');(_:search,people,'5');(_:search,stay,'3');(_:search,type,'Hotel'))
user
Yes , please . I need to book 3 nights starting on Friday for 5 people .
system
Will you be needing a reference number ?
request((_:result,ref,?);(_:result,type,'Hotel'))
user
Yes , please give me reference number .
reqmore() inform((_:booking,ref,'7OLQYP67');(_:booking,type,'Booking'))
system
Booking was successful . 
 Reference number is : 7OLQYP67 .   What else can I assist you with today ?
inform((_:search,area,'same area');(_:search,type,'Restaurant'))
user
I 'd also like a recommendation for a restaurant in the same area as the hotel .
request((_:search,food,?);(_:search,type,'Restaurant'))
system
What food type are you interested in ?
inform((_:search,food,'dontcare');(_:search,type,'Restaurant'))
user
surprise me what is the best choice ?
offer((_:booking,type,'Booking')) inform((_:result,area,'north');(_:result,food,'Asian oriental');(_:result,name,'Saigon city');(_:result,pricerange,'expensive');(_:result,type,'Restaurant'))
system
Saigon city is Asian oriental and is in the north as the hotel is . It is expensive . Shall I book it for you ?
inform((_:search,day,'friday');(_:search,duration,'12:30');(_:search,people,'5');(_:search,type,'Restaurant'))
user
Yes , please . I need reservations for 12:30 on Friday . There are 5 in my group .
inform((_:booking,ref,'LPQVDDE9');(_:booking,type,'Booking'))
system
Your table has been booked . Your reference number is LPQVDDE9 .
thank()
user
That is all . Thank you .
system
I am glad I could help you with lodging and dining from the Cambridge TownInfo centre . Good bye .
_:search category hotel
_:search has_internet no
_:search has_parking yes
_:search type Hotel
_:search category hotel
_:search has_internet no
_:search has_parking yes
_:result amount many
_:result type Hotel
_:search pricerange dontcare
_:search type Hotel
_:search category hotel
_:search has_parking yes
_:result amount many
_:search pricerange dontcare
_:result area north
_:result category hotel
_:result name acorn guest house
_:result stars 4
_:result type Hotel
_:system offered _:booking
_:booking type Booking
_:search has_internet yes
_:search type Hotel
_:search category hotel
_:search has_parking yes
_:result amount many
_:search pricerange dontcare
_:result area north
_:result category hotel
_:result name acorn guest house
_:result stars 4
_:system offered _:booking
_:booking type Booking
_:result has_internet none
_:result type Hotel
_:search day friday
_:search has_internet yes
_:search people 5
_:search stay 3
_:search type Hotel
_:search category hotel
_:search has_parking yes
_:result amount many
_:search pricerange dontcare
_:result area north
_:result category hotel
_:result name acorn guest house
_:result stars 4
_:system offered _:booking
_:booking type Booking
_:result has_internet none
_:result type Hotel
_:search day friday
_:search has_internet yes
_:search people 5
_:search stay 3
_:search type Hotel
_:result ref ?
_:search category hotel
_:search has_parking yes
_:result amount many
_:search pricerange dontcare
_:result area north
_:result category hotel
_:result name acorn guest house
_:result stars 4
_:system offered _:booking
_:result has_internet none
_:result type Hotel
_:search day friday
_:search has_internet yes
_:search people 5
_:search stay 3
_:result ref ?
_:system inquired _:user
_:booking ref 7OLQYP67
_:booking type Booking
_:search area same area
_:search type Restaurant
_:search category hotel
_:search has_parking yes
_:result amount many
_:search pricerange dontcare
_:result area north
_:result category hotel
_:result name acorn guest house
_:result stars 4
_:system offered _:booking
_:result has_internet none
_:result type Hotel
_:search day friday
_:search has_internet yes
_:search people 5
_:search stay 3
_:result ref ?
_:system inquired _:user
_:booking ref 7OLQYP67
_:booking type Booking
_:search area same area
_:search food dontcare
_:search type Restaurant
_:search category hotel
_:search has_parking yes
_:result amount many
_:search pricerange dontcare
_:result category hotel
_:result stars 4
_:system offered _:booking
_:result has_internet none
_:search has_internet yes
_:search stay 3
_:result ref ?
_:system inquired _:user
_:booking ref 7OLQYP67
_:booking type Booking
_:search area same area
_:search food dontcare
_:result area north
_:result food Asian oriental
_:result name Saigon city
_:result pricerange expensive
_:result type Restaurant
_:search day friday
_:search duration 12:30
_:search people 5
_:search type Restaurant
_:search category hotel
_:search has_parking yes
_:result amount many
_:search pricerange dontcare
_:result category hotel
_:result stars 4
_:system offered _:booking
_:result has_internet none
_:search has_internet yes
_:search stay 3
_:result ref ?
_:system inquired _:user
_:search area same area
_:search food dontcare
_:result area north
_:result food Asian oriental
_:result name Saigon city
_:result pricerange expensive
_:result type Restaurant
_:search day friday
_:search duration 12:30
_:search people 5
_:search type Restaurant
_:booking ref LPQVDDE9
_:booking type Booking