inform((_:search,has_internet,'yes');(_:search,pricerange,'moderate');(_:search,type,'Hotel')) request((_:result,ticket,?);(_:result,type,'Train'))
user
I looking for information about a hotel in the moderate price range that includes free wifi .
inform((_:result,has_internet,'none');(_:result,name,'Acorn Guest house');(_:result,pricerange,'moderate');(_:result,type,'Hotel'))
system
There is Acorn Guest house available in the moderate price range with free wifi
inform((_:search,name,'Acorn Guest House');(_:search,type,'Hotel'))
user
What is the star rating of the Acorn Guest House ?
offer((_:booking,type,'Booking')) inform((_:result,amount,'many');(_:result,has_internet,'none');(_:result,name,'Archway House');(_:result,type,'Hotel'))
system
We have many selections . There is also Archway House in that price range with free wifi . Would you like me to book a loaction for you ?
inform((_:search,area,'south');(_:search,stars,'4');(_:search,type,'Hotel'))
user
Sorry , the hotel I 'm looking for also needs to be in the south area and have a 4 star rating . Could you suggest anything that fills those requirements too ?
inform((_:result,category,'guesthouse');(_:result,name,'Aylesbray Lodge Guest House');(_:result,type,'Hotel'))
system
Aylesbray Lodge Guest House meets all of your requirements . Are you okay with the hotel type being a guesthouse ?
user
yep sure , why not ?
request((_:booking,day,?);(_:booking,people,?);(_:booking,stay,?);(_:booking,type,'Booking'))
system
I can book this for you if you provide the day you want to stay , the duration of the stay and the number of people .
inform((_:search,day,'sunday');(_:search,people,'4');(_:search,stay,'2');(_:search,type,'Hotel'))
user
4 people for 2 nights starting sunday , please !
inform((_:booking,ref,'OMUG5Y45');(_:booking,type,'Booking'))
system
Booking was successful . 
 Reference number is : OMUG5Y45 .
inform((_:search,arrive_by,'10:45');(_:search,departure,'peterborough');(_:search,leave_at,'10:45');(_:search,type,'Train'))
user
Thanks . I also need a train departing from Peterborough at 10:45 .
system
I 'm sorry , there seems to be an error . Can you please restate your request ?
inform((_:search,arrive_by,'10:45');(_:search,departure,'peterborough');(_:search,destination,'cambridge');(_:search,type,'Train'))
user
The train should depart from peterborough and arrive in Cambridge by 10:45 .
request((_:booking,day,?);(_:booking,type,'Booking');(_:search,day,?);(_:search,type,'Train'))
system
That 's not a problem . What day would you like ?
inform((_:search,day,'sunday');(_:search,type,'Train')) request((_:result,duration,?);(_:result,ticket,?);(_:result,type,'Train'))
user
Sunday and can you please give me the price and travel time ?
inform((_:result,duration,'50 minutes');(_:result,ticket,'13.20 pounds');(_:result,type,'Train'))
system
The price is 13.20 pounds and the travel time is 50 minutes .
inform((_:search,people,'4');(_:search,type,'Train'))
user
Book 4 seats for me please .
inform((_:booking,arrive_by,'10:38');(_:booking,category,'Train');(_:booking,id,'TR1071');(_:booking,ref,'AUL3MJY9');(_:booking,type,'Booking'))
system
I booked TR1071 , the last train before 10:45 ( arrives 10:38 ) . Your reference number will be AUL3MJY9 . However , If you would have preferred something earlier , I can easily cancel and rebook .
thank()
user
No , that would be fine . Thank you . That was all I needed for today .
system
Thank you for using our system !
_:search has_internet yes
_:search pricerange moderate
_:search type Hotel
_:result ticket ?
_:result type Train
_:search has_internet yes
_:search pricerange moderate
_:result ticket ?
_:result has_internet none
_:result name Acorn Guest house
_:result pricerange moderate
_:result type Hotel
_:search name Acorn Guest House
_:search type Hotel
_:search has_internet yes
_:search pricerange moderate
_:result ticket ?
_:result pricerange moderate
_:search name Acorn Guest House
_:system offered _:booking
_:booking type Booking
_:result amount many
_:result has_internet none
_:result name Archway House
_:result type Hotel
_:search area south
_:search stars 4
_:search type Hotel
_:search has_internet yes
_:search pricerange moderate
_:result ticket ?
_:result pricerange moderate
_:search name Acorn Guest House
_:system offered _:booking
_:booking type Booking
_:result amount many
_:result has_internet none
_:search area south
_:search stars 4
_:search type Hotel
_:result category guesthouse
_:result name Aylesbray Lodge Guest House
_:result type Hotel
_:search has_internet yes
_:search pricerange moderate
_:result ticket ?
_:result pricerange moderate
_:search name Acorn Guest House
_:system offered _:booking
_:result amount many
_:result has_internet none
_:search area south
_:search stars 4
_:result category guesthouse
_:result name Aylesbray Lodge Guest House
_:result type Hotel
_:booking day ?
_:booking people ?
_:booking stay ?
_:booking type Booking
_:search day sunday
_:search people 4
_:search stay 2
_:search type Hotel
_:search has_internet yes
_:search pricerange moderate
_:result ticket ?
_:result pricerange moderate
_:search name Acorn Guest House
_:system offered _:booking
_:result amount many
_:result has_internet none
_:search area south
_:search stars 4
_:result category guesthouse
_:result name Aylesbray Lodge Guest House
_:result type Hotel
_:booking day ?
_:booking people ?
_:booking stay ?
_:search day sunday
_:search people 4
_:search stay 2
_:booking ref OMUG5Y45
_:booking type Booking
_:search arrive_by 10:45
_:search departure peterborough
_:search leave_at 10:45
_:search type Train
_:search has_internet yes
_:search pricerange moderate
_:result ticket ?
_:result pricerange moderate
_:search name Acorn Guest House
_:system offered _:booking
_:result amount many
_:result has_internet none
_:search area south
_:search stars 4
_:result category guesthouse
_:result name Aylesbray Lodge Guest House
_:result type Hotel
_:booking day ?
_:booking people ?
_:booking stay ?
_:search day sunday
_:search people 4
_:search stay 2
_:booking ref OMUG5Y45
_:booking type Booking
_:search leave_at 10:45
_:search arrive_by 10:45
_:search departure peterborough
_:search destination cambridge
_:search type Train
_:search has_internet yes
_:search pricerange moderate
_:result ticket ?
_:result pricerange moderate
_:search name Acorn Guest House
_:system offered _:booking
_:result amount many
_:result has_internet none
_:search area south
_:search stars 4
_:result category guesthouse
_:result name Aylesbray Lodge Guest House
_:result type Hotel
_:booking people ?
_:booking stay ?
_:search people 4
_:search stay 2
_:booking ref OMUG5Y45
_:search leave_at 10:45
_:search arrive_by 10:45
_:search departure peterborough
_:search destination cambridge
_:booking day ?
_:booking type Booking
_:search day sunday
_:search type Train
_:result duration ?
_:result type Train
_:search has_internet yes
_:search pricerange moderate
_:result pricerange moderate
_:search name Acorn Guest House
_:system offered _:booking
_:result amount many
_:result has_internet none
_:search area south
_:search stars 4
_:result category guesthouse
_:result name Aylesbray Lodge Guest House
_:booking people ?
_:booking stay ?
_:search stay 2
_:booking ref OMUG5Y45
_:search leave_at 10:45
_:search arrive_by 10:45
_:search departure peterborough
_:search destination cambridge
_:booking day ?
_:booking type Booking
_:search day sunday
_:result duration 50 minutes
_:result ticket 13.20 pounds
_:result type Train
_:search people 4
_:search type Train
_:search has_internet yes
_:search pricerange moderate
_:result pricerange moderate
_:search name Acorn Guest House
_:system offered _:booking
_:result amount many
_:result has_internet none
_:search area south
_:search stars 4
_:result category guesthouse
_:result name Aylesbray Lodge Guest House
_:booking people ?
_:booking stay ?
_:search stay 2
_:search leave_at 10:45
_:search arrive_by 10:45
_:search departure peterborough
_:search destination cambridge
_:booking day ?
_:search day sunday
_:result duration 50 minutes
_:result ticket 13.20 pounds
_:result type Train
_:search people 4
_:search type Train
_:booking arrive_by 10:38
_:booking category Train
_:booking id TR1071
_:booking ref AUL3MJY9
_:booking type Booking