inform((_:search,day,'friday');(_:search,type,'Train'))
user
I need a train on Friday .
inform((_:result,count,'404');(_:result,day,'Friday');(_:result,type,'Train')) request((_:search,departure,?);(_:search,destination,?);(_:search,type,'Train'))
system
There are 404 trains traveling on Friday . Where will you be departing from and where is your destination ?
inform((_:search,departure,'cambridge');(_:search,destination,'ely');(_:search,leave_at,'18:15');(_:search,type,'Train'))
user
I am leaving from Cambridge and going to Ely . I want to leave at 18:15
inform((_:result,arrive_by,'20:07');(_:result,departure,'cambridge');(_:result,destination,'ely');(_:result,id,'Train 6053');(_:result,leave_at,'19:50');(_:result,type,'Train')) offer((_:booking,category,'Train');(_:booking,type,'Booking'))
system
Train 6053 leaves cambridge at 19:50 and arrives in ely at 20:07 .   Would you like me to book you a ticket ?
inform((_:search,people,'7');(_:search,type,'Train'))
user
Yes , please . I need 7 tickets .
reqmore() inform((_:booking,category,'Train');(_:booking,ref,'D9BVZV8C');(_:booking,ticket,'30.8 GBP');(_:booking,type,'Booking'))
system
I have made the booking and here is the information - Booking was successful , the total fee is 30.8 GBP payable at the station . 
 Reference number is : D9BVZV8C Anything else I can help you with ?
inform((_:search,name,'cafe uno');(_:search,type,'Restaurant'))
user
Someone recommended me a place called cafe uno . Do you have any information about it ?
offer((_:booking,type,'Booking')) inform((_:result,area,'centre');(_:result,food,'Italian');(_:result,name,'Caffe Uno');(_:result,type,'Restaurant'))
system
Caffe Uno is an Italian restaurant in the city centre . Would you like to make a reservation ?
thank()
user
Yes book it for me thank you
request((_:booking,day,?);(_:booking,duration,?);(_:booking,type,'Booking'))
system
What date and time would you like that reservation ?
thank()
user
Actually , I can make it later . That will be all today . Thank you !
system
Please contact us anytime . Thank you .
_:search day friday
_:search type Train
_:search day friday
_:result count 404
_:result day Friday
_:result type Train
_:search departure cambridge
_:search destination ely
_:search leave_at 18:15
_:search type Train
_:search day friday
_:result count 404
_:result day Friday
_:search departure cambridge
_:search destination ely
_:search leave_at 18:15
_:result arrive_by 20:07
_:result departure cambridge
_:result destination ely
_:result id Train 6053
_:result leave_at 19:50
_:result type Train
_:system offered _:booking
_:booking category Train
_:booking type Booking
_:search people 7
_:search type Train
_:search day friday
_:result count 404
_:result day Friday
_:search departure cambridge
_:search destination ely
_:search leave_at 18:15
_:result arrive_by 20:07
_:result departure cambridge
_:result destination ely
_:result id Train 6053
_:result leave_at 19:50
_:result type Train
_:system offered _:booking
_:search people 7
_:system inquired _:user
_:booking category Train
_:booking ref D9BVZV8C
_:booking ticket 30.8 GBP
_:booking type Booking
_:search name cafe uno
_:search type Restaurant
_:search day friday
_:result count 404
_:result day Friday
_:search departure cambridge
_:search destination ely
_:search leave_at 18:15
_:result arrive_by 20:07
_:result departure cambridge
_:result destination ely
_:result id Train 6053
_:result leave_at 19:50
_:system offered _:booking
_:search people 7
_:system inquired _:user
_:booking category Train
_:booking ref D9BVZV8C
_:booking ticket 30.8 GBP
_:booking type Booking
_:search name cafe uno
_:search type Restaurant
_:result area centre
_:result food Italian
_:result name Caffe Uno
_:result type Restaurant
_:search day friday
_:result count 404
_:result day Friday
_:search departure cambridge
_:search destination ely
_:search leave_at 18:15
_:result arrive_by 20:07
_:result departure cambridge
_:result destination ely
_:result id Train 6053
_:result leave_at 19:50
_:system offered _:booking
_:search people 7
_:system inquired _:user
_:booking category Train
_:booking ref D9BVZV8C
_:booking ticket 30.8 GBP
_:search name cafe uno
_:search type Restaurant
_:result area centre
_:result food Italian
_:result name Caffe Uno
_:result type Restaurant
_:booking day ?
_:booking duration ?
_:booking type Booking