inform((_:search,area,'centre');(_:search,pricerange,'expensive');(_:search,type,'Restaurant'))
user
I was wondering if you can help me find an expensive restaurant in the centre ?
inform((_:result,area,'centre');(_:result,food,'british');(_:result,name,'fitzbillies restaurant');(_:result,pricerange,'expensive');(_:result,type,'Restaurant'))
system
fitzbillies restaurant is the centre of town , serves british food and is in the expensive price range .
inform((_:search,day,'friday');(_:search,duration,'15:30');(_:search,people,'7');(_:search,type,'Restaurant')) request((_:result,ref,?);(_:result,type,'Restaurant'))
user
Okay I would like to book a table for 7 people at 15:30 on Friday . Can I get the reference number please ?
reqmore() inform((_:booking,ref,'RD9D3ZLR');(_:booking,type,'Booking'))
system
Your booking was successful . The table will be reserved for 15 minutes . 
 Your reference number is : RD9D3ZLR .   Is there anything else I can do to assist you ?
inform((_:search,departure,'cambridge');(_:search,destination,'peterborough');(_:search,type,'Train'))
user
Yes please , I am also looking for a train that will take me to Peterborough from Cambridge .   Is there anything available ?
request((_:search,day,?);(_:search,leave_at,?);(_:search,type,'Train'))
system
What day and time are you planning on traveling ?
inform((_:search,day,'saturday');(_:search,leave_at,'12:00');(_:search,type,'Train'))
user
I 'm looking to leave after 12:00 on Saturday .
inform((_:result,arrive_by,'12:56');(_:result,id,'TR5711');(_:result,leave_at,'12:06');(_:result,ticket,'13.20 pounds');(_:result,type,'Train')) offer((_:booking,category,'Train');(_:booking,type,'Booking'))
system
TR5711 will leave at 12:06 and arrive by 12:56 . It will cost 13.20 pounds . Would you like to reserve seats ?
request((_:result,ref,?);(_:result,type,'Restaurant');(_:result,type,'Train'))
user
Can you book it for me and get a reference number ?
request((_:search,people,?);(_:search,type,'Train'))
system
I need to know how many tickets you will need please .
inform((_:search,people,'seven');(_:search,type,'Train'))
user
all seven in my party please .
inform((_:booking,category,'Train');(_:booking,id,'TR5711');(_:booking,ref,'1DQZ1SD7');(_:booking,ticket,'92.4');(_:booking,type,'Booking'))
system
Your booking on the TR5711 was successful . The reference number is 1DQZ1SD7 . The total fee of 92.4 is payable at the station .
request((_:result,duration,?);(_:result,type,'Train'))
user
What is the travel time for that trip ?
inform((_:result,duration,'50 mins');(_:result,type,'Train'))
system
it is 50 mins travel times
user
that 's perfect . I think this is all i need for now .
system
Okay , have a great day !
_:search area centre
_:search pricerange expensive
_:search type Restaurant
_:search area centre
_:search pricerange expensive
_:result area centre
_:result food british
_:result name fitzbillies restaurant
_:result pricerange expensive
_:result type Restaurant
_:search day friday
_:search duration 15:30
_:search people 7
_:search type Restaurant
_:result ref ?
_:search area centre
_:search pricerange expensive
_:result area centre
_:result food british
_:result name fitzbillies restaurant
_:result pricerange expensive
_:result type Restaurant
_:search day friday
_:search duration 15:30
_:search people 7
_:result ref ?
_:system inquired _:user
_:booking ref RD9D3ZLR
_:booking type Booking
_:search departure cambridge
_:search destination peterborough
_:search type Train
_:search area centre
_:search pricerange expensive
_:result area centre
_:result food british
_:result name fitzbillies restaurant
_:result pricerange expensive
_:result type Restaurant
_:search duration 15:30
_:search people 7
_:result ref ?
_:system inquired _:user
_:booking ref RD9D3ZLR
_:booking type Booking
_:search departure cambridge
_:search destination peterborough
_:search day saturday
_:search leave_at 12:00
_:search type Train
_:search area centre
_:search pricerange expensive
_:result area centre
_:result food british
_:result name fitzbillies restaurant
_:result pricerange expensive
_:search duration 15:30
_:search people 7
_:result ref ?
_:system inquired _:user
_:booking ref RD9D3ZLR
_:booking type Booking
_:search departure cambridge
_:search destination peterborough
_:search day saturday
_:search leave_at 12:00
_:search type Train
_:result arrive_by 12:56
_:result id TR5711
_:result leave_at 12:06
_:result ticket 13.20 pounds
_:result type Train
_:system offered _:booking
_:booking category Train
_:result type Restaurant
_:search area centre
_:search pricerange expensive
_:result area centre
_:result food british
_:result name fitzbillies restaurant
_:result pricerange expensive
_:search duration 15:30
_:result ref ?
_:system inquired _:user
_:booking ref RD9D3ZLR
_:booking type Booking
_:search departure cambridge
_:search destination peterborough
_:search day saturday
_:search leave_at 12:00
_:result arrive_by 12:56
_:result id TR5711
_:result leave_at 12:06
_:result ticket 13.20 pounds
_:result type Train
_:system offered _:booking
_:booking category Train
_:result type Restaurant
_:search people seven
_:search type Train
_:search area centre
_:search pricerange expensive
_:result area centre
_:result food british
_:result name fitzbillies restaurant
_:result pricerange expensive
_:search duration 15:30
_:result ref ?
_:system inquired _:user
_:search departure cambridge
_:search destination peterborough
_:search day saturday
_:search leave_at 12:00
_:result arrive_by 12:56
_:result id TR5711
_:result leave_at 12:06
_:result ticket 13.20 pounds
_:result type Train
_:system offered _:booking
_:result type Restaurant
_:search people seven
_:search type Train
_:booking category Train
_:booking id TR5711
_:booking ref 1DQZ1SD7
_:booking ticket 92.4
_:booking type Booking
_:result duration ?
_:search area centre
_:search pricerange expensive
_:result area centre
_:result food british
_:result name fitzbillies restaurant
_:result pricerange expensive
_:search duration 15:30
_:result ref ?
_:system inquired _:user
_:search departure cambridge
_:search destination peterborough
_:search day saturday
_:search leave_at 12:00
_:result arrive_by 12:56
_:result id TR5711
_:result leave_at 12:06
_:result ticket 13.20 pounds
_:system offered _:booking
_:search people seven
_:search type Train
_:booking category Train
_:booking id TR5711
_:booking ref 1DQZ1SD7
_:booking ticket 92.4
_:booking type Booking
_:result duration 50 mins
_:result type Train