inform((_:search,departure,'cambridge');(_:search,destination,'kings lynn');(_:search,type,'Train'))
user
I 'm looking for a train that goes to kings lynn and departs from cambridge .
request((_:search,day,?);(_:search,type,'Train'))
system
Okay , do you know the day you want to travel ?
inform((_:search,arrive_by,'08:45');(_:search,day,'sunday');(_:search,destination,'kings lynn');(_:search,type,'Train'))
user
Yes , I need to leave on Sunday and arrive at Kings Lynn by 08:45 for a meeting .
inform((_:result,arrive_by,'7:58');(_:result,day,'Sunday');(_:result,id,'TR3626');(_:result,type,'Train')) offer((_:booking,category,'Train');(_:booking,type,'Booking'))
system
TR3626 arrives Sunday at 7:58 am before your meeting .   Would you like that one ?
inform((_:search,people,'4');(_:search,type,'Train')) request((_:result,ref,?);(_:result,type,'Train'))
user
Please book that for 4 people . Can i get the reference number please ?
reqmore() inform((_:booking,category,'Train');(_:booking,leave_at,'07:11');(_:booking,ref,'F756LTGZ');(_:booking,type,'Booking'))
system
Reference number is : F756LTGZ .I have you booked then , train leaves at 07:11 . Anything else ?
inform((_:search,name,'home from home');(_:search,type,'Hotel'))
user
I need to book at a hotel called home from home .
inform((_:result,name,'home from home');(_:result,pricerange,'moderate');(_:result,type,'Hotel')) request((_:booking,people,?);(_:booking,type,'Booking'))
system
home from home is in the moderate price range . How many people should I book it for ?
inform((_:search,day,'friday');(_:search,people,'4');(_:search,stay,'2');(_:search,type,'Hotel'))
user
Please book for 4 people starting Friday for 2 nights .
reqmore() inform((_:booking,ref,'ES30I9EC');(_:booking,type,'Booking'))
system
Booking was successful . 
 Reference number is : ES30I9EC . Will you need anything else ?
thank()
user
Nope , that 's all I need today . Thanks for your help . Goodbye !
system
Glad to have been of service , have a great day !
_:search departure cambridge
_:search destination kings lynn
_:search type Train
_:search departure cambridge
_:search arrive_by 08:45
_:search day sunday
_:search destination kings lynn
_:search type Train
_:search departure cambridge
_:search arrive_by 08:45
_:search day sunday
_:search destination kings lynn
_:result arrive_by 7:58
_:result day Sunday
_:result id TR3626
_:result type Train
_:system offered _:booking
_:booking category Train
_:booking type Booking
_:search people 4
_:search type Train
_:result ref ?
_:search departure cambridge
_:search arrive_by 08:45
_:search day sunday
_:search destination kings lynn
_:result arrive_by 7:58
_:result day Sunday
_:result id TR3626
_:result type Train
_:system offered _:booking
_:search people 4
_:result ref ?
_:system inquired _:user
_:booking category Train
_:booking leave_at 07:11
_:booking ref F756LTGZ
_:booking type Booking
_:search name home from home
_:search type Hotel
_:search departure cambridge
_:search arrive_by 08:45
_:search destination kings lynn
_:result arrive_by 7:58
_:result day Sunday
_:result id TR3626
_:system offered _:booking
_:result ref ?
_:system inquired _:user
_:booking category Train
_:booking leave_at 07:11
_:booking ref F756LTGZ
_:search name home from home
_:result name home from home
_:result pricerange moderate
_:result type Hotel
_:booking people ?
_:booking type Booking
_:search day friday
_:search people 4
_:search stay 2
_:search type Hotel
_:search departure cambridge
_:search arrive_by 08:45
_:search destination kings lynn
_:result arrive_by 7:58
_:result day Sunday
_:result id TR3626
_:system offered _:booking
_:result ref ?
_:booking category Train
_:booking leave_at 07:11
_:search name home from home
_:result name home from home
_:result pricerange moderate
_:result type Hotel
_:booking people ?
_:search day friday
_:search people 4
_:search stay 2
_:search type Hotel
_:system inquired _:user
_:booking ref ES30I9EC
_:booking type Booking