inform((_:search,arrive_by,'9:15');(_:search,day,'tuesday');(_:search,type,'Train'))
user
IM looking for a train that arrives by 9:15 and leaves Tuesday
request((_:search,departure,?);(_:search,destination,?);(_:search,type,'Train'))
system
What will be your departure location and destination ?
inform((_:search,departure,'cambridge');(_:search,destination,'stansted airport');(_:search,type,'Train'))
user
I 'm leaving Cambridge and am going to stansted airport .
request((_:search,leave_at,?);(_:search,type,'Train'))
system
What time would you like to depart ?
request((_:result,duration,?);(_:result,ticket,?);(_:result,type,'Train'))
user
departure time does not matter as long as it arrives by 9:15 .   Can you give me the travel time and price please ?
inform((_:result,arrive_by,'06:08');(_:result,duration,'28 minutes');(_:result,id,'TR1656');(_:result,leave_at,'05:40');(_:result,ticket,'10.10 pounds');(_:result,type,'Train')) reqmore()
system
The earliest is the TR1656 which leaves at 05:40 , arriving at 06:08 . Travel time on that is 28 minutes , and the price is 10.10 pounds . What else can I help with ?
inform((_:search,area,'east');(_:search,category,'theatre');(_:search,type,'Attraction'))
user
I 'd like to visit a theatre in the east part of town .
canthelp((_:search,area,'east');(_:search,category,'theaters');(_:search,type,'Attraction')) reqmore()
system
There are unfortunately no theaters located in the east . Would you like me to try something else ?
inform((_:search,category,'park');(_:search,type,'Attraction'))
user
What about a park ?
reqmore() inform((_:result,address,'Cherry Hinton Hall , Cherry Hinton Road');(_:result,entrance_fee,'free');(_:result,name,'Cherry Hinton Water Play');(_:result,type,'Attraction'))
system
There is one park , Cherry Hinton Water Play . The address is Cherry Hinton Hall , Cherry Hinton Road . Admission is free . Is there anything else I can do ?
thank()
user
No , that is exactly what I was looking for .   Thank you for your help !   Goodbye !
system
Thank you for choosing Help Desk . Goodbye .
_:search arrive_by 9:15
_:search day tuesday
_:search type Train
_:search arrive_by 9:15
_:search day tuesday
_:search departure cambridge
_:search destination stansted airport
_:search type Train
_:search arrive_by 9:15
_:search day tuesday
_:search departure cambridge
_:search destination stansted airport
_:search leave_at ?
_:search type Train
_:result duration ?
_:result ticket ?
_:result type Train
_:search arrive_by 9:15
_:search day tuesday
_:search departure cambridge
_:search destination stansted airport
_:search leave_at ?
_:result arrive_by 06:08
_:result duration 28 minutes
_:result id TR1656
_:result leave_at 05:40
_:result ticket 10.10 pounds
_:result type Train
_:system inquired _:user
_:search area east
_:search category theatre
_:search type Attraction
_:search arrive_by 9:15
_:search day tuesday
_:search departure cambridge
_:search destination stansted airport
_:search leave_at ?
_:result arrive_by 06:08
_:result duration 28 minutes
_:result id TR1656
_:result leave_at 05:40
_:result ticket 10.10 pounds
_:result type Train
_:search area east
_:system canthelp _:search/c0d71a1b
_:search/c0d71a1b area east
_:search/c0d71a1b category theaters
_:search/c0d71a1b type Attraction
_:system inquired _:user
_:search category park
_:search type Attraction
_:search arrive_by 9:15
_:search day tuesday
_:search departure cambridge
_:search destination stansted airport
_:search leave_at ?
_:result arrive_by 06:08
_:result duration 28 minutes
_:result id TR1656
_:result leave_at 05:40
_:result ticket 10.10 pounds
_:search area east
_:system canthelp _:search/c0d71a1b
_:search/c0d71a1b area east
_:search/c0d71a1b category theaters
_:search/c0d71a1b type Attraction
_:search category park
_:search type Attraction
_:system inquired _:user
_:result address Cherry Hinton Hall , Cherry Hinton Road
_:result entrance_fee free
_:result name Cherry Hinton Water Play
_:result type Attraction