inform((_:search,area,'cetre');(_:search,food,'african');(_:search,type,'Restaurant'))
user
African food in the cetre of town /
offer((_:booking,type,'Booking')) inform((_:result,area,'centre');(_:result,count,'1');(_:result,name,'Bedouin');(_:result,type,'Restaurant'))
system
It seems there is one restaurant in the centre of town , Bedouin . Would you like to make a reservation ?
inform((_:search,pricerange,'cheap');(_:search,type,'Restaurant'))
user
Is it in the cheap price range ?
offer((_:booking,type,'Booking')) inform((_:result,pricerange,'expensive');(_:result,type,'Restaurant'))
system
No , it is in the expensive price range . Would you like me to book you a table ?
inform((_:search,food,'spanish');(_:search,pricerange,'cheap');(_:search,type,'Restaurant'))
user
no i need cheap . is there one that serves spanish food ?
offer((_:booking,type,'Booking')) inform((_:result,food,'spanish');(_:result,name,'La raza');(_:result,pricerange,'cheap');(_:result,type,'Restaurant'))
system
La raza serves cheap spanish food . Would you like me to book you a table ?
request((_:result,address,?);(_:result,postcode,?);(_:result,type,'Restaurant'))
user
Well , would you be able to give me the contact information , address and postcode ? I want to be sure it 's close to where we 're going that night .
inform((_:result,address,'4 - 6 Rose Crescent');(_:result,phone,'01223464550');(_:result,postcode,'cb23ll');(_:result,type,'Restaurant'))
system
The address is 4 - 6 Rose Crescent , phone number is 01223464550 , postcode is cb23ll
inform((_:search,day,'sunday');(_:search,leave_at,'15:00');(_:search,type,'Train'))
user
am also looking for a train . The train should leave after 15:00 and should leave on sunday
request((_:search,destination,?);(_:search,type,'Train'))
system
What is your destination ?
inform((_:search,destination,'cambridge');(_:search,type,'Train'))
user
I would like to arrive in Cambridge .
request((_:search,departure,?);(_:search,type,'Train'))
system
Excellent . And where are you coming from ?
inform((_:search,departure,'london liverpool street');(_:search,type,'Train'))
user
I will be departing from London Liverpool Street .
offer((_:booking,arrive_by,'17:07');(_:booking,category,'Train');(_:booking,id,'TR6946');(_:booking,leave_at,'15:39');(_:booking,type,'Booking'))
system
Ok , I have Train TR6946 leaving at 15:39 and arriving by 17:07 , would you like me to book a ticket ?
inform((_:search,people,'one');(_:search,type,'Train')) request((_:result,ref,?);(_:result,type,'Train'))
user
Yes please , just one ticket and I 'll need the reference number .
inform((_:booking,category,'Train');(_:booking,ref,'GSIGVNEW');(_:booking,ticket,'13.28 GBP');(_:booking,type,'Booking'))
system
Booking was successful , the total fee is 13.28 GBP payable at the station . 
 Reference number is : GSIGVNEW .
thank()
user
That is all I need . Thank you .
system
Thank you for using the Cambridge TownInfo centre service !
_:search area cetre
_:search food african
_:search type Restaurant
_:search area cetre
_:search food african
_:system offered _:booking
_:booking type Booking
_:result area centre
_:result count 1
_:result name Bedouin
_:result type Restaurant
_:search pricerange cheap
_:search type Restaurant
_:search area cetre
_:system offered _:booking
_:booking type Booking
_:result area centre
_:result count 1
_:result name Bedouin
_:result pricerange expensive
_:result type Restaurant
_:search food spanish
_:search pricerange cheap
_:search type Restaurant
_:search area cetre
_:system offered _:booking
_:booking type Booking
_:result area centre
_:result count 1
_:search food spanish
_:search pricerange cheap
_:search type Restaurant
_:result food spanish
_:result name La raza
_:result pricerange cheap
_:result type Restaurant
_:result address ?
_:result postcode ?
_:search area cetre
_:system offered _:booking
_:booking type Booking
_:result area centre
_:result count 1
_:search food spanish
_:search pricerange cheap
_:result food spanish
_:result name La raza
_:result pricerange cheap
_:result address 4 - 6 Rose Crescent
_:result phone 01223464550
_:result postcode cb23ll
_:result type Restaurant
_:search day sunday
_:search leave_at 15:00
_:search type Train
_:search area cetre
_:system offered _:booking
_:booking type Booking
_:result area centre
_:result count 1
_:search food spanish
_:search pricerange cheap
_:result food spanish
_:result name La raza
_:result pricerange cheap
_:result address 4 - 6 Rose Crescent
_:result phone 01223464550
_:result postcode cb23ll
_:result type Restaurant
_:search day sunday
_:search leave_at 15:00
_:search destination cambridge
_:search type Train
_:search area cetre
_:system offered _:booking
_:booking type Booking
_:result area centre
_:result count 1
_:search food spanish
_:search pricerange cheap
_:result food spanish
_:result name La raza
_:result pricerange cheap
_:result address 4 - 6 Rose Crescent
_:result phone 01223464550
_:result postcode cb23ll
_:result type Restaurant
_:search day sunday
_:search leave_at 15:00
_:search destination cambridge
_:search departure london liverpool street
_:search type Train
_:search area cetre
_:system offered _:booking
_:booking type Booking
_:result area centre
_:result count 1
_:search food spanish
_:search pricerange cheap
_:result food spanish
_:result name La raza
_:result pricerange cheap
_:result address 4 - 6 Rose Crescent
_:result phone 01223464550
_:result postcode cb23ll
_:result type Restaurant
_:search day sunday
_:search leave_at 15:00
_:search destination cambridge
_:search departure london liverpool street
_:booking arrive_by 17:07
_:booking category Train
_:booking id TR6946
_:booking leave_at 15:39
_:search people one
_:search type Train
_:result ref ?
_:result type Train
_:search area cetre
_:system offered _:booking
_:result area centre
_:result count 1
_:search food spanish
_:search pricerange cheap
_:result food spanish
_:result name La raza
_:result pricerange cheap
_:result address 4 - 6 Rose Crescent
_:result phone 01223464550
_:result postcode cb23ll
_:result type Restaurant
_:search day sunday
_:search leave_at 15:00
_:search destination cambridge
_:search departure london liverpool street
_:booking arrive_by 17:07
_:booking id TR6946
_:booking leave_at 15:39
_:search people one
_:search type Train
_:result ref ?
_:result type Train
_:booking category Train
_:booking ref GSIGVNEW
_:booking ticket 13.28 GBP
_:booking type Booking