inform((_:search,has_parking,'yes');(_:search,pricerange,'cheap');(_:search,type,'Hotel'))
user
I need a list of cheap places to stay that include free parking .
inform((_:result,area,'centre');(_:result,name,'Alexander bed and breakfast');(_:result,pricerange,'cheap');(_:result,type,'Hotel'))
system
Alexander bed and breakfast is in the cheap price range in the centre of town .
inform((_:search,has_internet,'yes');(_:search,stars,'4');(_:search,type,'Hotel'))
user
Okay , does that place include free wifi and it is 4 stars ?
inform((_:result,category,'hotel');(_:result,has_internet,'none');(_:result,name,'Alexander');(_:result,stars,'4');(_:result,type,'Hotel')) request((_:booking,stay,?);(_:booking,type,'Booking'))
system
Yes , the Alexander has free wifi and is a 4 star hotel .   How many nights will you be staying ?
inform((_:search,day,'saturday');(_:search,stay,'5');(_:search,type,'Hotel'))
user
I will be staying 5 nights starting from Saturday .
offer((_:booking,type,'Booking')) request((_:booking,people,?);(_:booking,type,'Booking'))
system
Thank you so much for that information . How many people in your party so I can make the booking for you ?
inform((_:search,people,'6');(_:search,type,'Hotel'))
user
Yes , can you book it for 6 people ?
reqmore() inform((_:booking,ref,'QIT1W09H');(_:booking,type,'Booking'))
system
Booking was successful . Your reference number is QIT1W09H . Do you need anything else ?
inform((_:search,day,'sunday');(_:search,destination,'kings lynn');(_:search,type,'Train'))
user
Thank you . I also need a train to Kings Lynn that leaves on Sunday .
system
There are 19 trains leaving Cambridge on Sunday . When would you like to depart ?
_:search has_parking yes
_:search pricerange cheap
_:search type Hotel
_:search has_parking yes
_:search pricerange cheap
_:result area centre
_:result name Alexander bed and breakfast
_:result pricerange cheap
_:result type Hotel
_:search has_internet yes
_:search stars 4
_:search type Hotel
_:search has_parking yes
_:search pricerange cheap
_:result area centre
_:result pricerange cheap
_:search has_internet yes
_:search stars 4
_:result category hotel
_:result has_internet none
_:result name Alexander
_:result stars 4
_:result type Hotel
_:booking stay ?
_:booking type Booking
_:search day saturday
_:search stay 5
_:search type Hotel
_:search has_parking yes
_:search pricerange cheap
_:result area centre
_:result pricerange cheap
_:search has_internet yes
_:search stars 4
_:result category hotel
_:result has_internet none
_:result name Alexander
_:result stars 4
_:result type Hotel
_:booking stay ?
_:search day saturday
_:search stay 5
_:system offered _:booking
_:booking people ?
_:booking type Booking
_:search people 6
_:search type Hotel
_:search has_parking yes
_:search pricerange cheap
_:result area centre
_:result pricerange cheap
_:search has_internet yes
_:search stars 4
_:result category hotel
_:result has_internet none
_:result name Alexander
_:result stars 4
_:result type Hotel
_:booking stay ?
_:search stay 5
_:system offered _:booking
_:booking people ?
_:search people 6
_:system inquired _:user
_:booking ref QIT1W09H
_:booking type Booking
_:search day sunday
_:search destination kings lynn
_:search type Train