inform((_:search,departure,'london liverpool street');(_:search,type,'Train'))
user
I want a train leaving from   london liverpool street .
request((_:search,destination,?);(_:search,type,'Train'))
system
I can help with that . What is the destination ?
inform((_:search,day,'saturday');(_:search,destination,'cambridge');(_:search,type,'Train'))
user
My destination is Cambridge , and I 'll be traveling on Saturday .
request((_:search,arrive_by,?);(_:search,leave_at,?);(_:search,type,'Train'))
system
Is there a time you would like to leave or arrive by ?
inform((_:search,leave_at,'14:45');(_:search,type,'Train'))
user
I would leave after 14:45 .
inform((_:result,arrive_by,'17:07');(_:result,leave_at,'15:39');(_:result,type,'Train')) offer((_:booking,category,'Train');(_:booking,type,'Booking'))
system
I have a train that leaves at 15:39 and arrives and 17:07 . Would you like me to book that for you ?
inform((_:search,people,'4');(_:search,type,'Train'))
user
Yes please make a booking for 4 people .
reqmore() inform((_:booking,category,'Train');(_:booking,ref,'2ITJJMJC');(_:booking,type,'Booking'))
system
Your all set and your reference number is 2ITJJMJC . May I help you with anything else today ?
inform((_:search,category,'boat');(_:search,type,'Attraction'))
user
I am looking for a boat .
request((_:search,area,?);(_:search,type,'Attraction'))
system
Where would you like it to be ?
inform((_:search,area,'north');(_:search,type,'Attraction'))
user
Can you check in the   north please . That would be ideal .
reqmore() inform((_:result,area,'north');(_:result,name,'Riverboat Georgina');(_:result,type,'Attraction'))
system
It looks like the Riverboat Georgina is in the north .   Would you like more information about it ?
request((_:result,postcode,?);(_:result,type,'Attraction'))
user
Yes , please .   Can I have the postcode ?
inform((_:result,name,'riverboat georgina');(_:result,postcode,'cb43ax');(_:result,type,'Attraction')) reqmore()
system
The postcode for the riverboat georgina is cb43ax . Is there anything else I can assist you with today ?
thank()
user
That is all thank you !
system
Thank you for contacting us and have a nice day .
_:search departure london liverpool street
_:search type Train
_:search departure london liverpool street
_:search day saturday
_:search destination cambridge
_:search type Train
_:search departure london liverpool street
_:search day saturday
_:search destination cambridge
_:search arrive_by ?
_:search leave_at 14:45
_:search type Train
_:search departure london liverpool street
_:search day saturday
_:search destination cambridge
_:search arrive_by ?
_:search leave_at 14:45
_:result arrive_by 17:07
_:result leave_at 15:39
_:result type Train
_:system offered _:booking
_:booking category Train
_:booking type Booking
_:search people 4
_:search type Train
_:search departure london liverpool street
_:search day saturday
_:search destination cambridge
_:search arrive_by ?
_:search leave_at 14:45
_:result arrive_by 17:07
_:result leave_at 15:39
_:result type Train
_:system offered _:booking
_:search people 4
_:system inquired _:user
_:booking category Train
_:booking ref 2ITJJMJC
_:booking type Booking
_:search category boat
_:search type Attraction
_:search departure london liverpool street
_:search day saturday
_:search destination cambridge
_:search arrive_by ?
_:search leave_at 14:45
_:result arrive_by 17:07
_:result leave_at 15:39
_:result type Train
_:system offered _:booking
_:search people 4
_:system inquired _:user
_:booking category Train
_:booking ref 2ITJJMJC
_:booking type Booking
_:search category boat
_:search area north
_:search type Attraction
_:search departure london liverpool street
_:search day saturday
_:search destination cambridge
_:search arrive_by ?
_:search leave_at 14:45
_:result arrive_by 17:07
_:result leave_at 15:39
_:system offered _:booking
_:search people 4
_:booking category Train
_:booking ref 2ITJJMJC
_:booking type Booking
_:search category boat
_:search area north
_:search type Attraction
_:system inquired _:user
_:result area north
_:result name Riverboat Georgina
_:result type Attraction
_:result postcode ?
_:search departure london liverpool street
_:search day saturday
_:search destination cambridge
_:search arrive_by ?
_:search leave_at 14:45
_:result arrive_by 17:07
_:result leave_at 15:39
_:system offered _:booking
_:search people 4
_:booking category Train
_:booking ref 2ITJJMJC
_:booking type Booking
_:search category boat
_:search area north
_:search type Attraction
_:result area north
_:result name riverboat georgina
_:result postcode cb43ax
_:result type Attraction
_:system inquired _:user