inform((_:search,area,'centre');(_:search,pricerange,'expensive');(_:search,type,'Restaurant'))
user
i am looking for a expensive place to eat in the centre
request((_:search,food,?);(_:search,type,'Restaurant')) inform((_:result,amount,'many');(_:result,type,'Restaurant'))
system
There are many to chose from do you have a type of food you prefer ?
inform((_:search,food,'chinese');(_:search,type,'Restaurant'))
user
Are there any chinese restaurants ?
offer((_:booking,type,'Booking')) inform((_:result,count,'4');(_:result,food,'Chinese');(_:result,name,'Tang Chinese');(_:result,pricerange,'expensive');(_:result,type,'Restaurant'))
system
There are four expensive Chinese restaurants in that part of town . My favorite is Tang Chinese . Would you like to make a reservation ?
inform((_:search,day,'sunday');(_:search,duration,'17:30');(_:search,food,'chinese');(_:search,name,'tang chinese');(_:search,people,'7');(_:search,type,'Restaurant')) request((_:result,ref,?);(_:result,type,'Restaurant'))
user
Tang Chinese sounds good . Please book a table for 7 at 17:30 on Sunday and also provide the reference number . Thanks !
reqmore() inform((_:booking,ref,'30MRBGVJ');(_:booking,type,'Booking'))
system
Booking was successful . The table will be reserved for 15 minutes . 
 Reference number is : 30MRBGVJ . Is there anything else you need ?
inform((_:search,day,'sunday');(_:search,departure,'peterborough');(_:search,type,'Train'))
user
Thanks ! I also need a train for Sunday departing from Peterborough .
inform((_:result,amount,'a number');(_:result,day,'Sunday');(_:result,departure,'peterborough');(_:result,type,'Train')) request((_:search,leave_at,?);(_:search,type,'Train'))
system
There are a number of trains on Sunday from peterborough . What time of day would you like to travel ?
inform((_:search,arrive_by,'11:15');(_:search,destination,'cambridge');(_:search,type,'Train'))
user
I need to arrive in Cambridge at about 11:15 .
inform((_:result,departure,'Cambridge');(_:result,leave_at,'11:19');(_:result,type,'Train')) offer((_:booking,category,'Train');(_:booking,type,'Booking'))
system
I have an 11:19 train from Cambridge . Would you like me to book that for you ?
inform((_:search,people,'same group of people');(_:search,type,'Train'))
user
Yes please . For the same group of people .
inform((_:booking,category,'Train');(_:booking,id,'TR8509');(_:booking,leave_at,'10:19');(_:booking,ref,'CJ04K4Y6');(_:booking,type,'Booking'))
system
I have booked TR8509 that leaves at 10:19 . Your reference number is CJ04K4Y6 .
thank()
user
Thank you so much for your help today .
bye() thank()
system
You are welcome , enjoy the rest of your day .
thank()
user
Thank you . You too .
system
Thank you .   I will .
_:search area centre
_:search pricerange expensive
_:search type Restaurant
_:search area centre
_:search pricerange expensive
_:result amount many
_:result type Restaurant
_:search food chinese
_:search type Restaurant
_:search area centre
_:search pricerange expensive
_:result amount many
_:system offered _:booking
_:booking type Booking
_:result count 4
_:result food Chinese
_:result name Tang Chinese
_:result pricerange expensive
_:result type Restaurant
_:search day sunday
_:search duration 17:30
_:search food chinese
_:search name tang chinese
_:search people 7
_:search type Restaurant
_:result ref ?
_:search area centre
_:search pricerange expensive
_:result amount many
_:system offered _:booking
_:result count 4
_:result food Chinese
_:result name Tang Chinese
_:result pricerange expensive
_:result type Restaurant
_:search duration 17:30
_:search food chinese
_:search name tang chinese
_:search people 7
_:result ref ?
_:system inquired _:user
_:booking ref 30MRBGVJ
_:booking type Booking
_:search day sunday
_:search departure peterborough
_:search type Train
_:search area centre
_:search pricerange expensive
_:system offered _:booking
_:result count 4
_:result food Chinese
_:result name Tang Chinese
_:result pricerange expensive
_:search duration 17:30
_:search food chinese
_:search name tang chinese
_:search people 7
_:result ref ?
_:system inquired _:user
_:booking ref 30MRBGVJ
_:booking type Booking
_:search day sunday
_:search departure peterborough
_:result amount a number
_:result day Sunday
_:result departure peterborough
_:result type Train
_:search leave_at ?
_:search arrive_by 11:15
_:search destination cambridge
_:search type Train
_:search area centre
_:search pricerange expensive
_:system offered _:booking
_:result count 4
_:result food Chinese
_:result name Tang Chinese
_:result pricerange expensive
_:search duration 17:30
_:search food chinese
_:search name tang chinese
_:result ref ?
_:system inquired _:user
_:booking ref 30MRBGVJ
_:booking type Booking
_:search day sunday
_:search departure peterborough
_:result amount a number
_:result day Sunday
_:search leave_at ?
_:search arrive_by 11:15
_:search destination cambridge
_:result departure Cambridge
_:result leave_at 11:19
_:result type Train
_:booking category Train
_:search people same group of people
_:search type Train
_:search area centre
_:search pricerange expensive
_:system offered _:booking
_:result count 4
_:result food Chinese
_:result name Tang Chinese
_:result pricerange expensive
_:search duration 17:30
_:search food chinese
_:search name tang chinese
_:result ref ?
_:system inquired _:user
_:search day sunday
_:search departure peterborough
_:result amount a number
_:result day Sunday
_:search leave_at ?
_:search arrive_by 11:15
_:search destination cambridge
_:result departure Cambridge
_:result leave_at 11:19
_:result type Train
_:search people same group of people
_:search type Train
_:booking category Train
_:booking id TR8509
_:booking leave_at 10:19
_:booking ref CJ04K4Y6
_:booking type Booking
_:search area centre
_:search pricerange expensive
_:system offered _:booking
_:result count 4
_:result food Chinese
_:result name Tang Chinese
_:result pricerange expensive
_:search duration 17:30
_:search food chinese
_:search name tang chinese
_:result ref ?
_:system inquired _:user
_:search day sunday
_:search departure peterborough
_:result amount a number
_:result day Sunday
_:search leave_at ?
_:search arrive_by 11:15
_:search destination cambridge
_:result departure Cambridge
_:result leave_at 11:19
_:result type Train
_:search people same group of people
_:search type Train
_:booking category Train
_:booking id TR8509
_:booking leave_at 10:19
_:booking ref CJ04K4Y6
_:booking type Booking
_:system dismissed _:user