inform((_:search,day,'saturday');(_:search,destination,'stevenage');(_:search,type,'Train'))
user
I need a train to stevenage on saturday .
inform((_:result,day,'Saturday');(_:result,leave_at,'5:21');(_:result,type,'Train')) request((_:search,leave_at,?);(_:search,type,'Train'))
system
The earliest train on Saturday leaves at 5:21 .   When would you like to depart ?
inform((_:search,leave_at,'16:15');(_:search,type,'Train'))
user
Much later , I ca n't leave any earlier than 16:15 .
select((_:result,arrive_by,'18:10');(_:result,leave_at,'17:21');(_:result,type,'Train'))
system
How about a 17:21 that will arrive by 18:10 ?
user
Ok can you book it for me with a confirm number
inform((_:booking,category,'Train');(_:booking,ref,'MQ8762HX');(_:booking,ticket,'10.24 GBP');(_:booking,type,'Booking'))
system
Booking was successful , the total fee is 10.24 GBP payable at the station . 
 Reference number is : MQ8762HX
inform((_:search,area,'east');(_:search,has_internet,'yes');(_:search,pricerange,'expensive');(_:search,stars,'2');(_:search,type,'Hotel'))
user
Thank you . Can you help me find a hotel that has 2 stars and is expensive . I would like free wifi and in the east .
offer((_:booking,type,'Booking')) inform((_:result,name,'Express by holiday inn cambridge');(_:result,type,'Hotel'))
system
Express by holiday inn cambridge meets all those requirements .   Would you like me to book a room ?
inform((_:search,day,'thursday');(_:search,people,'one');(_:search,stay,'two');(_:search,type,'Hotel'))
user
I would like to book that for one person for two nights starting Thursday
reqmore() inform((_:booking,type,'Booking'))
system
I have that booked for you , is there anything else you need ?
request((_:result,ref,?);(_:result,type,'Hotel'))
user
a reference number
inform((_:booking,ref,'O9HUGXCO');(_:booking,type,'Booking'))
system
Sure , your reference number is O9HUGXCO .
thank()
user
Great , thanks for your help !
thank() reqmore()
system
You are welcome . Can I assist with anything else today ?
thank()
user
That is all , thanks !
system
thank you and enjoy your city stay !
_:search day saturday
_:search destination stevenage
_:search type Train
_:search day saturday
_:search destination stevenage
_:result day Saturday
_:result leave_at 5:21
_:result type Train
_:search leave_at 16:15
_:search type Train
_:search day saturday
_:search destination stevenage
_:result day Saturday
_:search leave_at 16:15
_:search type Train
_:result arrive_by 18:10
_:result leave_at 17:21
_:result type Train
_:search day saturday
_:search destination stevenage
_:result day Saturday
_:search leave_at 16:15
_:result arrive_by 18:10
_:result leave_at 17:21
_:result type Train
_:booking category Train
_:booking ref MQ8762HX
_:booking ticket 10.24 GBP
_:booking type Booking
_:search area east
_:search has_internet yes
_:search pricerange expensive
_:search stars 2
_:search type Hotel
_:search destination stevenage
_:result day Saturday
_:search leave_at 16:15
_:result arrive_by 18:10
_:result leave_at 17:21
_:booking category Train
_:booking ref MQ8762HX
_:booking ticket 10.24 GBP
_:booking type Booking
_:search area east
_:search has_internet yes
_:search pricerange expensive
_:search stars 2
_:system offered _:booking
_:result name Express by holiday inn cambridge
_:result type Hotel
_:search day thursday
_:search people one
_:search stay two
_:search type Hotel
_:search destination stevenage
_:result day Saturday
_:search leave_at 16:15
_:result arrive_by 18:10
_:result leave_at 17:21
_:booking category Train
_:booking ref MQ8762HX
_:booking ticket 10.24 GBP
_:search area east
_:search has_internet yes
_:search pricerange expensive
_:search stars 2
_:system offered _:booking
_:result name Express by holiday inn cambridge
_:result type Hotel
_:search day thursday
_:search people one
_:search stay two
_:search type Hotel
_:system inquired _:user
_:booking type Booking
_:result ref ?
_:search destination stevenage
_:result day Saturday
_:search leave_at 16:15
_:result arrive_by 18:10
_:result leave_at 17:21
_:booking category Train
_:booking ticket 10.24 GBP
_:search area east
_:search has_internet yes
_:search pricerange expensive
_:search stars 2
_:system offered _:booking
_:result name Express by holiday inn cambridge
_:result type Hotel
_:search day thursday
_:search people one
_:search stay two
_:search type Hotel
_:system inquired _:user
_:result ref ?
_:booking ref O9HUGXCO
_:booking type Booking
_:search destination stevenage
_:result day Saturday
_:search leave_at 16:15
_:result arrive_by 18:10
_:result leave_at 17:21
_:booking category Train
_:booking ticket 10.24 GBP
_:search area east
_:search has_internet yes
_:search pricerange expensive
_:search stars 2
_:system offered _:booking
_:result name Express by holiday inn cambridge
_:result type Hotel
_:search day thursday
_:search people one
_:search stay two
_:search type Hotel
_:result ref ?
_:booking ref O9HUGXCO
_:booking type Booking
_:system inquired _:user