inform((_:search,departure,'norwich');(_:search,destination,'cambridge');(_:search,type,'Train'))
user
Hi , Can you help me find a train from Norwich to Cambridge ?
request((_:search,day,?);(_:search,type,'Train'))
system
I would be happy to help ! What day would you like to travel ?
inform((_:search,arrive_by,'16:45');(_:search,day,'wednesday');(_:search,type,'Train'))
user
I would like to arrive wednesday at 16:45 .
offer((_:booking,arrive_by,'16:35');(_:booking,category,'Train');(_:booking,leave_at,'15:16');(_:booking,type,'Booking'))
system
There is a train which departs at 15:16 and arrives at 16:35 would you like me to book that one ?
request((_:result,duration,?);(_:result,ticket,?);(_:result,type,'Train'))
user
No need to book it today .   I would like the price and travel time if you have it there , though .
inform((_:result,duration,'79 minutes');(_:result,ticket,'17.60 pounds');(_:result,type,'Train')) reqmore()
system
The price is 17.60 pounds and travel time is 79 minutes . Can I assist you with anything else today ?
inform((_:search,category,'hotel');(_:search,has_parking,'yes');(_:search,type,'Hotel'))
user
I also need a hotel with free parking .
request((_:search,area,?);(_:search,pricerange,?);(_:search,type,'Hotel')) inform((_:result,category,'hotels');(_:result,count,'29');(_:result,type,'Hotel'))
system
We have 29 hotels that may be what you need . Is there a certain area or price range you are looking for perhaps ?
inform((_:search,category,'guesthouse');(_:search,stars,'4');(_:search,type,'Hotel'))
user
I 'd like a guesthouse with a star of 4 , please .
offer((_:booking,type,'Booking')) inform((_:result,name,'The archway house');(_:result,type,'Hotel'))
system
The archway house meets your criteria . Do you need help with booking ?
inform((_:search,day,'wednesday');(_:search,people,'4');(_:search,stay,'3');(_:search,type,'Hotel'))
user
Yes please , I need it for 4 people , 3 nights starting on Wednesday .
canthelp((_:booking,type,'Booking')) request((_:booking,stay,?);(_:booking,type,'Booking'))
system
Unfortunately , that length of stay is not available . Would you like to try again for a shorter stay ?
inform((_:search,name,'archway house');(_:search,people,'4');(_:search,stay,'1');(_:search,type,'Hotel')) request((_:result,ref,?);(_:result,type,'Hotel'))
user
How about 1 night at the archway house for 4 people .   Please book and provide a reference number .   Thank you .
reqmore() inform((_:booking,ref,'FEK7TT66');(_:booking,type,'Booking'))
system
Booking was successful . 
 Reference number is : FEK7TT66 . Is there anything else ?
thank()
user
That 's all I needed today , thank you
system
Thank you for contacting us , have a nice day .
_:search departure norwich
_:search destination cambridge
_:search type Train
_:search departure norwich
_:search destination cambridge
_:search arrive_by 16:45
_:search day wednesday
_:search type Train
_:search departure norwich
_:search destination cambridge
_:search arrive_by 16:45
_:search day wednesday
_:search type Train
_:system offered _:booking
_:booking arrive_by 16:35
_:booking category Train
_:booking leave_at 15:16
_:booking type Booking
_:result duration ?
_:result ticket ?
_:result type Train
_:search departure norwich
_:search destination cambridge
_:search arrive_by 16:45
_:search day wednesday
_:system offered _:booking
_:booking arrive_by 16:35
_:booking category Train
_:booking leave_at 15:16
_:booking type Booking
_:result duration 79 minutes
_:result ticket 17.60 pounds
_:result type Train
_:system inquired _:user
_:search category hotel
_:search has_parking yes
_:search type Hotel
_:search departure norwich
_:search destination cambridge
_:search arrive_by 16:45
_:search day wednesday
_:system offered _:booking
_:booking arrive_by 16:35
_:booking category Train
_:booking leave_at 15:16
_:booking type Booking
_:result duration 79 minutes
_:result ticket 17.60 pounds
_:system inquired _:user
_:search has_parking yes
_:search area ?
_:search pricerange ?
_:result category hotels
_:result count 29
_:result type Hotel
_:search category guesthouse
_:search stars 4
_:search type Hotel
_:search departure norwich
_:search destination cambridge
_:search arrive_by 16:45
_:system offered _:booking
_:booking arrive_by 16:35
_:booking category Train
_:booking leave_at 15:16
_:booking type Booking
_:result duration 79 minutes
_:result ticket 17.60 pounds
_:system inquired _:user
_:search has_parking yes
_:search area ?
_:search pricerange ?
_:result category hotels
_:result count 29
_:search category guesthouse
_:search stars 4
_:result name The archway house
_:result type Hotel
_:search day wednesday
_:search people 4
_:search stay 3
_:search type Hotel
_:search departure norwich
_:search destination cambridge
_:search arrive_by 16:45
_:system offered _:booking
_:booking arrive_by 16:35
_:booking category Train
_:booking leave_at 15:16
_:result duration 79 minutes
_:result ticket 17.60 pounds
_:system inquired _:user
_:search has_parking yes
_:search area ?
_:search pricerange ?
_:result category hotels
_:result count 29
_:search category guesthouse
_:search stars 4
_:result name The archway house
_:result type Hotel
_:search day wednesday
_:system canthelp _:booking/2e3fedae
_:booking/2e3fedae type Booking
_:booking stay ?
_:booking type Booking
_:search name archway house
_:search people 4
_:search stay 1
_:search type Hotel
_:result ref ?
_:search departure norwich
_:search destination cambridge
_:search arrive_by 16:45
_:system offered _:booking
_:booking arrive_by 16:35
_:booking category Train
_:booking leave_at 15:16
_:result duration 79 minutes
_:result ticket 17.60 pounds
_:search has_parking yes
_:search area ?
_:search pricerange ?
_:result category hotels
_:result count 29
_:search category guesthouse
_:search stars 4
_:result name The archway house
_:result type Hotel
_:search day wednesday
_:system canthelp _:booking/2e3fedae
_:booking/2e3fedae type Booking
_:booking stay ?
_:search name archway house
_:search people 4
_:search stay 1
_:search type Hotel
_:result ref ?
_:system inquired _:user
_:booking ref FEK7TT66
_:booking type Booking