inform((_:search,category,'hotel');(_:search,has_parking,'yes');(_:search,pricerange,'moderately');(_:search,type,'Hotel'))
user
I am looking for a moderately priced hotel with free parking .
request((_:search,area,?);(_:search,type,'Hotel'))
system
Do you have a preference on area ?
inform((_:search,area,'dontcare');(_:search,category,'guesthouse');(_:search,stars,'4-star');(_:search,type,'Hotel'))
user
No , but I would like a 4-star guesthouse .
offer((_:booking,type,'Booking')) inform((_:result,area,'north');(_:result,count,'9');(_:result,name,'home from home guesthouse');(_:result,type,'Hotel'))
system
We have 9 options , including home from home guesthouse in the north . Shall I book it for you ?
inform((_:search,day,'tuesday');(_:search,stay,'2');(_:search,type,'Hotel'))
user
That sounds good .   Yes , please book it for 2 nights starting on Tuesday .
request((_:booking,people,?);(_:booking,type,'Booking'))
system
Of course , how many people will there be ?
inform((_:search,people,'3');(_:search,type,'Hotel'))
user
3 people only .
reqmore() inform((_:booking,ref,'CM5SEPYO');(_:booking,type,'Booking'))
system
Booking was successful . 
 Reference number is : CM5SEPYO . Is there anything else I can assist you with ?
thank()
user
That is all . Thank you for your help .
system
You are welcome ! Have a nice day !
_:search category hotel
_:search has_parking yes
_:search pricerange moderately
_:search type Hotel
_:search has_parking yes
_:search pricerange moderately
_:search area dontcare
_:search category guesthouse
_:search stars 4-star
_:search type Hotel
_:search has_parking yes
_:search pricerange moderately
_:search area dontcare
_:search category guesthouse
_:search stars 4-star
_:system offered _:booking
_:booking type Booking
_:result area north
_:result count 9
_:result name home from home guesthouse
_:result type Hotel
_:search day tuesday
_:search stay 2
_:search type Hotel
_:search has_parking yes
_:search pricerange moderately
_:search area dontcare
_:search category guesthouse
_:search stars 4-star
_:system offered _:booking
_:result area north
_:result count 9
_:result name home from home guesthouse
_:result type Hotel
_:search day tuesday
_:search stay 2
_:booking people ?
_:booking type Booking
_:search people 3
_:search type Hotel
_:search has_parking yes
_:search pricerange moderately
_:search area dontcare
_:search category guesthouse
_:search stars 4-star
_:system offered _:booking
_:result area north
_:result count 9
_:result name home from home guesthouse
_:result type Hotel
_:search day tuesday
_:search stay 2
_:booking people ?
_:search people 3
_:search type Hotel
_:system inquired _:user
_:booking ref CM5SEPYO
_:booking type Booking