inform((_:search,area,'centre');(_:search,pricerange,'moderately');(_:search,type,'Restaurant')) request((_:result,ticket,?);(_:result,type,'Train'))
user
I need to find a moderately priced place to dine in the centre please .
request((_:search,food,?);(_:search,type,'Restaurant')) inform((_:result,amount,'several');(_:result,pricerange,'moderately priced');(_:result,type,'Restaurant')) thank()
system
Okay , I can help you with that . We have several great moderately priced restaurants . What type of food would you like ?
inform((_:search,food,'lebanese');(_:search,type,'Restaurant'))
user
Do you have any Lebanese restaurants ?
inform((_:result,food,'lebanese');(_:result,name,'ali baba');(_:result,type,'Restaurant'))
system
We have ali baba which is lebanese
inform((_:search,day,'sunday');(_:search,duration,'15:00');(_:search,people,'3');(_:search,type,'Restaurant'))
user
Okay . Could you book that for 3 people for Sunday at 15:00 .
reqmore() inform((_:booking,ref,'R73U0ESJ');(_:booking,type,'Booking'))
system
Booking was successful . The table will be reserved for 15 minutes . 
 Reference number is : R73U0ESJ .   What else can I do for you today ?
thank()
user
That is all I need , thank you .
system
You 're very welcome . Good - bye .
_:search area centre
_:search pricerange moderately
_:search type Restaurant
_:result ticket ?
_:result type Train
_:search area centre
_:search pricerange moderately
_:result ticket ?
_:result amount several
_:result pricerange moderately priced
_:result type Restaurant
_:search food lebanese
_:search type Restaurant
_:search area centre
_:search pricerange moderately
_:result ticket ?
_:result amount several
_:result pricerange moderately priced
_:search food lebanese
_:result food lebanese
_:result name ali baba
_:result type Restaurant
_:search day sunday
_:search duration 15:00
_:search people 3
_:search type Restaurant
_:search area centre
_:search pricerange moderately
_:result ticket ?
_:result amount several
_:result pricerange moderately priced
_:search food lebanese
_:result food lebanese
_:result name ali baba
_:result type Restaurant
_:search day sunday
_:search duration 15:00
_:search people 3
_:search type Restaurant
_:system inquired _:user
_:booking ref R73U0ESJ
_:booking type Booking