inform((_:search,area,'east');(_:search,food,'russian');(_:search,type,'Restaurant'))
user
Hi there , please find me a restaurant on the East side that serves russian   food
canthelp((_:search,type,'Restaurant'))
system
I 'm sorry , I ca n't find anything like that .
inform((_:search,food,'indian');(_:search,type,'Restaurant'))
user
what about indian food ?
inform((_:result,area,'east');(_:result,name,'Curry prince');(_:result,pricerange,'moderate');(_:result,type,'Restaurant'))
system
Curry prince is in the east part of town in the moderate price range would you like to try that ?
inform((_:search,name,'curry prince');(_:search,type,'Restaurant'))
user
Yes , can you help me book a table for one at Curry Prince ?
request((_:booking,day,?);(_:booking,duration,?);(_:booking,type,'Booking'))
system
Sure , what day and time ?
inform((_:search,day,'thursday');(_:search,duration,'12:30');(_:search,people,'1');(_:search,type,'Restaurant'))
user
On Thursday at 12:30 for 1 person .
reqmore() inform((_:booking,ref,'Y6L0VIWC');(_:booking,type,'Booking'))
system
You are all set , the reference number is Y6L0VIWC , can I help with anything else ?
inform((_:search,type,'Train'))
user
Yes , thank you . I also need a train to Stansted .
inform((_:result,amount,'a lot of');(_:result,type,'Train')) request((_:search,arrive_by,?);(_:search,day,?);(_:search,departure,?);(_:search,destination,?);(_:search,leave_at,?);(_:search,type,'Train'))
system
Okay , great . We have a lot of results . Would you like to narrow it down by departure location , day , departure time or arrival time ?
inform((_:search,arrive_by,'9:00');(_:search,day,'friday');(_:search,departure,'cambridge');(_:search,type,'Train'))
user
I 'd be leaving from cambridge , and would like to arrive by 9:00 on friday .
inform((_:result,arrive_by,'08:08');(_:result,destination,'the airport');(_:result,id,'TR0916');(_:result,leave_at,'07:40');(_:result,type,'Train')) offer((_:booking,category,'Train');(_:booking,type,'Booking'))
system
I have train TR0916 that will leave at 07:40 and will arrive at the airport at 08:08 . Will that work for you ?
inform((_:search,people,'1');(_:search,type,'Train'))
user
Excellent can I get 1 ticket for that ?
reqmore() inform((_:booking,category,'Train');(_:booking,ref,'74NEPLUK');(_:booking,ticket,'10.1 GBP');(_:booking,type,'Booking'))
system
Booking was successful , the total fee is 10.1 GBP payable at the station . 
 Reference number is : 74NEPLUK . Can I hlep you with anything else ?
thank()
user
No that is it . Thank you !
system
Ok . Thank you . Goodbye
_:search area east
_:search food russian
_:search type Restaurant
_:search area east
_:system canthelp _:search/2ec19c84
_:search/2ec19c84 type Restaurant
_:search food indian
_:search type Restaurant
_:search area east
_:system canthelp _:search/2ec19c84
_:search/2ec19c84 type Restaurant
_:search food indian
_:result area east
_:result name Curry prince
_:result pricerange moderate
_:result type Restaurant
_:search name curry prince
_:search type Restaurant
_:search area east
_:system canthelp _:search/2ec19c84
_:search/2ec19c84 type Restaurant
_:search food indian
_:result area east
_:result name Curry prince
_:result pricerange moderate
_:result type Restaurant
_:search name curry prince
_:booking day ?
_:booking duration ?
_:booking type Booking
_:search day thursday
_:search duration 12:30
_:search people 1
_:search type Restaurant
_:search area east
_:system canthelp _:search/2ec19c84
_:search/2ec19c84 type Restaurant
_:search food indian
_:result area east
_:result name Curry prince
_:result pricerange moderate
_:result type Restaurant
_:search name curry prince
_:booking day ?
_:booking duration ?
_:search day thursday
_:search duration 12:30
_:search people 1
_:system inquired _:user
_:booking ref Y6L0VIWC
_:booking type Booking
_:search type Train
_:search area east
_:system canthelp _:search/2ec19c84
_:search/2ec19c84 type Restaurant
_:search food indian
_:result area east
_:result name Curry prince
_:result pricerange moderate
_:search name curry prince
_:booking day ?
_:booking duration ?
_:search duration 12:30
_:search people 1
_:system inquired _:user
_:booking ref Y6L0VIWC
_:booking type Booking
_:result amount a lot of
_:result type Train
_:search destination ?
_:search leave_at ?
_:search arrive_by 9:00
_:search day friday
_:search departure cambridge
_:search type Train
_:search area east
_:system canthelp _:search/2ec19c84
_:search/2ec19c84 type Restaurant
_:search food indian
_:result area east
_:result name Curry prince
_:result pricerange moderate
_:search name curry prince
_:booking day ?
_:booking duration ?
_:search duration 12:30
_:system inquired _:user
_:booking ref Y6L0VIWC
_:booking type Booking
_:result amount a lot of
_:search destination ?
_:search leave_at ?
_:search arrive_by 9:00
_:search day friday
_:search departure cambridge
_:result arrive_by 08:08
_:result destination the airport
_:result id TR0916
_:result leave_at 07:40
_:result type Train
_:system offered _:booking
_:booking category Train
_:search people 1
_:search type Train
_:search area east
_:system canthelp _:search/2ec19c84
_:search/2ec19c84 type Restaurant
_:search food indian
_:result area east
_:result name Curry prince
_:result pricerange moderate
_:search name curry prince
_:booking day ?
_:booking duration ?
_:search duration 12:30
_:result amount a lot of
_:search destination ?
_:search leave_at ?
_:search arrive_by 9:00
_:search day friday
_:search departure cambridge
_:result arrive_by 08:08
_:result destination the airport
_:result id TR0916
_:result leave_at 07:40
_:result type Train
_:system offered _:booking
_:search people 1
_:search type Train
_:system inquired _:user
_:booking category Train
_:booking ref 74NEPLUK
_:booking ticket 10.1 GBP
_:booking type Booking