inform((_:search,food,'middle eastern');(_:search,pricerange,'expensive');(_:search,type,'Restaurant'))
user
Hi , i am looking for a middle eastern restaurant in the expensive price range .
request((_:search,pricerange,?);(_:search,type,'Restaurant')) canthelp((_:search,type,'Restaurant'))
system
I am sorry , there are no expensive middle eastern restaurants . Can I look in a different price range ?
inform((_:search,pricerange,'moderate');(_:search,type,'Restaurant'))
user
Yes , can we try a moderate price range .
request((_:search,pricerange,?);(_:search,type,'Restaurant')) canthelp((_:search,type,'Restaurant'))
system
Sorry there are no moderate middle eastern restaurants either . Do you want to try a different price range ?
inform((_:search,food,'italian');(_:search,pricerange,'expensive');(_:search,type,'Restaurant'))
user
Hmm , how about Italian ?   Expensive .
request((_:search,area,?);(_:search,type,'Restaurant')) inform((_:result,amount,'some');(_:result,type,'Restaurant'))
system
There are some great ones .   Do you have a preference for which part of town it is in ?
inform((_:search,day,'tuesday');(_:search,duration,'12:30');(_:search,people,'2');(_:search,type,'Restaurant'))
user
Nope ! Could you pick your favorite and book a table for me ? 2 people at 12:30 on Tuesday , please .
inform((_:booking,ref,'H9SV1U6G');(_:booking,type,'Booking'))
system
Booking was successful . The table will be reserved for 15 minutes . 
 Reference number is : H9SV1U6G .
thank()
user
Awesome . Thanks for your assistance , that 's all I need .
system
I am glad to be of service ! Have a wonderful time in Cambridge !
_:search food middle eastern
_:search pricerange expensive
_:search type Restaurant
_:search food middle eastern
_:system canthelp _:search/21aed0d3
_:search/21aed0d3 type Restaurant
_:search pricerange moderate
_:search type Restaurant
_:system canthelp _:search/21aed0d3
_:search/21aed0d3 type Restaurant
_:system canthelp _:search/5076b78f
_:search/5076b78f type Restaurant
_:search food italian
_:search pricerange expensive
_:search type Restaurant
_:system canthelp _:search/21aed0d3
_:search/21aed0d3 type Restaurant
_:system canthelp _:search/5076b78f
_:search/5076b78f type Restaurant
_:search food italian
_:search pricerange expensive
_:search area ?
_:result amount some
_:result type Restaurant
_:search day tuesday
_:search duration 12:30
_:search people 2
_:search type Restaurant
_:system canthelp _:search/21aed0d3
_:search/21aed0d3 type Restaurant
_:system canthelp _:search/5076b78f
_:search/5076b78f type Restaurant
_:search food italian
_:search pricerange expensive
_:search area ?
_:result amount some
_:result type Restaurant
_:search day tuesday
_:search duration 12:30
_:search people 2
_:search type Restaurant
_:booking ref H9SV1U6G
_:booking type Booking