inform((_:search,area,'center');(_:search,type,'Restaurant'))
user
I want to visit a restaurant that would be popular with college students and located near the center of town ; can you make a recommendation ?
request((_:search,food,?);(_:search,type,'Restaurant'))
system
What type of food would you be interested in ?
inform((_:search,area,'centre');(_:search,category,'college');(_:search,type,'Attraction'))
user
Actually , I want to visit a college . Somewhere in the centre .
inform((_:result,name,'downing college');(_:result,type,'Attraction'))
system
I would suggest downing college , would you like the address ?
request((_:result,entrance_fee,?);(_:result,postcode,?);(_:result,type,'Attraction'))
user
Yes , that would be great . Can you also give me the entrance fee and postcode for that college ?
inform((_:result,address,'regent street');(_:result,entrance_fee,'no entry fee');(_:result,type,'Attraction'))
system
The address is regent street and there is no entry fee .
request((_:result,postcode,?);(_:result,type,'Attraction'))
user
Thank you . Do you have the postcode , please ?
reqmore() inform((_:result,name,'Downing College');(_:result,postcode,'cb21dq');(_:result,type,'Attraction'))
system
The postcode for Downing College is cb21dq . Anything else I have help you with ?
inform((_:search,food,'italian');(_:search,type,'Restaurant'))
user
Yes , I need a place to eat in that area . I want Italian food .
inform((_:result,name,'pizza express');(_:result,type,'Restaurant'))
system
I would suggest pizza express .
inform((_:search,day,'sunday');(_:search,duration,'17:45');(_:search,people,'7');(_:search,type,'Restaurant'))
user
Can you check if they would have a table for 7 at 17:45 on Sunday ?
reqmore() inform((_:booking,ref,'HXSPEY9N');(_:booking,type,'Booking'))
system
Yes , they had a table available and I went ahead and booked it for you . Your reference number is HXSPEY9N . What else can I do for you ?
inform((_:search,arrive_by,'17:45');(_:search,departure,'downing college');(_:search,destination,'pizza express');(_:search,type,'Taxi'))
user
I 'll need a taxi to get me from downing college to pizza express by 17:45 . can you set that up for me ?
inform((_:result,type,'Taxi')) reqmore()
system
I can do that for you !   I have your taxi booked .   Anything else ?
inform((_:search,type,'Taxi')) request((_:result,car,?);(_:result,type,'Taxi'))
user
Would you know what type of car will pick me up ? May I please have a contact number for the taxi ?
inform((_:result,car,'red volkswagen');(_:result,phone,'07633256482');(_:result,type,'Taxi'))
system
Booked car type red volkswagen 
  Contact number 07633256482
thank()
user
Thank you ! That is all that I need .
system
Thank you for letting us assist you today ! Enjoy your visit !
_:search area center
_:search type Restaurant
_:search food ?
_:search area centre
_:search category college
_:search type Attraction
_:search food ?
_:search area centre
_:search category college
_:search type Attraction
_:result name downing college
_:result type Attraction
_:result entrance_fee ?
_:result postcode ?
_:search food ?
_:search area centre
_:search category college
_:search type Attraction
_:result name downing college
_:result postcode ?
_:result address regent street
_:result entrance_fee no entry fee
_:result type Attraction
_:search area centre
_:search category college
_:result address regent street
_:result entrance_fee no entry fee
_:system inquired _:user
_:result name Downing College
_:result postcode cb21dq
_:result type Attraction
_:search food italian
_:search type Restaurant
_:search area centre
_:search category college
_:result address regent street
_:result entrance_fee no entry fee
_:system inquired _:user
_:result postcode cb21dq
_:search food italian
_:result name pizza express
_:result type Restaurant
_:search day sunday
_:search duration 17:45
_:search people 7
_:search type Restaurant
_:search area centre
_:search category college
_:result address regent street
_:result entrance_fee no entry fee
_:result postcode cb21dq
_:search food italian
_:result name pizza express
_:result type Restaurant
_:search day sunday
_:search duration 17:45
_:search people 7
_:system inquired _:user
_:booking ref HXSPEY9N
_:booking type Booking
_:search arrive_by 17:45
_:search departure downing college
_:search destination pizza express
_:search type Taxi
_:search area centre
_:search category college
_:result address regent street
_:result entrance_fee no entry fee
_:result postcode cb21dq
_:search food italian
_:result name pizza express
_:search day sunday
_:search duration 17:45
_:search people 7
_:booking ref HXSPEY9N
_:booking type Booking
_:search arrive_by 17:45
_:search departure downing college
_:search destination pizza express
_:result type Taxi
_:system inquired _:user
_:search type Taxi
_:result car ?
_:search area centre
_:search category college
_:result address regent street
_:result entrance_fee no entry fee
_:result postcode cb21dq
_:search food italian
_:result name pizza express
_:search day sunday
_:search duration 17:45
_:search people 7
_:booking ref HXSPEY9N
_:booking type Booking
_:search arrive_by 17:45
_:search departure downing college
_:search destination pizza express
_:system inquired _:user
_:search type Taxi
_:result car red volkswagen
_:result phone 07633256482
_:result type Taxi