inform((_:search,area,'centre');(_:search,pricerange,'moderately');(_:search,type,'Restaurant'))
user
I need a moderately priced restaurant in the centre .
request((_:search,food,?);(_:search,type,'Restaurant')) thank()
system
Certainly ! What type of cuisine would you like ?
inform((_:search,food,'international');(_:search,type,'Restaurant'))
user
I would like sometthing International .
offer((_:booking,type,'Booking')) inform((_:result,name,'Bloomsbury restaurant');(_:result,type,'Restaurant'))
system
Okay , I recommend Bloomsbury restaurant . Would you like me to book a table ?
inform((_:search,day,'wednesday');(_:search,duration,'17:15');(_:search,people,'8');(_:search,type,'Restaurant'))
user
Yes there will be 8 of us at 17:15 on Wednesday .
reqmore() inform((_:booking,ref,'KNRFFO4K');(_:booking,type,'Booking'))
system
I was able to reserve you a table , they will only hold the table for 15 minutes . Your reference number is KNRFFO4K . Do you need anymore assistance today ?
inform((_:search,type,'Train'))
user
Can you help me find a train ?
thank() request((_:search,day,?);(_:search,departure,?);(_:search,destination,?);(_:search,leave_at,?);(_:search,type,'Train'))
system
I can help find a train . I need to know where you are traveling from and to and what day and time you wish to travel .
inform((_:search,arrive_by,'10:45');(_:search,day,'wednesday');(_:search,departure,'ely');(_:search,destination,'cambridge');(_:search,type,'Train'))
user
I would like a train from Ely to Cambridge on Wednesday and I need to arrive before 10:45 .
inform((_:result,id,'TR2704');(_:result,type,'Train')) offer((_:booking,category,'Train');(_:booking,type,'Booking'))
system
Train TR2704 would suit your needs . Can I book you a ticket ?
request((_:result,duration,?);(_:result,id,?);(_:result,type,'Train'))
user
No thank you . I 'll just need the travel time and train ID , please ?
inform((_:result,duration,'17 minutes');(_:result,id,'TR2704');(_:result,type,'Train')) reqmore()
system
The ID is TR2704 and the total travel time is 17 minutes .   Anything else ?
thank()
user
No .   That will be all for now .   Thank you for your help .
system
Sure thing !   Enjoy your trip and your dinner .   Be sure to contact us for anything else you may need .
_:search area centre
_:search pricerange moderately
_:search type Restaurant
_:search area centre
_:search pricerange moderately
_:search food international
_:search type Restaurant
_:search area centre
_:search pricerange moderately
_:search food international
_:system offered _:booking
_:booking type Booking
_:result name Bloomsbury restaurant
_:result type Restaurant
_:search day wednesday
_:search duration 17:15
_:search people 8
_:search type Restaurant
_:search area centre
_:search pricerange moderately
_:search food international
_:system offered _:booking
_:result name Bloomsbury restaurant
_:result type Restaurant
_:search day wednesday
_:search duration 17:15
_:search people 8
_:system inquired _:user
_:booking ref KNRFFO4K
_:booking type Booking
_:search type Train
_:search area centre
_:search pricerange moderately
_:search food international
_:system offered _:booking
_:result name Bloomsbury restaurant
_:result type Restaurant
_:search duration 17:15
_:search people 8
_:system inquired _:user
_:booking ref KNRFFO4K
_:booking type Booking
_:search leave_at ?
_:search arrive_by 10:45
_:search day wednesday
_:search departure ely
_:search destination cambridge
_:search type Train
_:search area centre
_:search pricerange moderately
_:search food international
_:system offered _:booking
_:result name Bloomsbury restaurant
_:search duration 17:15
_:search people 8
_:system inquired _:user
_:booking ref KNRFFO4K
_:booking type Booking
_:search leave_at ?
_:search arrive_by 10:45
_:search day wednesday
_:search departure ely
_:search destination cambridge
_:search type Train
_:result id TR2704
_:result type Train
_:booking category Train
_:result duration ?
_:result id ?
_:search area centre
_:search pricerange moderately
_:search food international
_:system offered _:booking
_:result name Bloomsbury restaurant
_:search duration 17:15
_:search people 8
_:booking ref KNRFFO4K
_:booking type Booking
_:search leave_at ?
_:search arrive_by 10:45
_:search day wednesday
_:search departure ely
_:search destination cambridge
_:search type Train
_:booking category Train
_:result duration 17 minutes
_:result id TR2704
_:result type Train
_:system inquired _:user