inform((_:search,departure,'cambridge');(_:search,type,'Train'))
user
I 'm looking for a train from Cambridge .
request((_:search,destination,?);(_:search,type,'Train')) thank()
system
Let me help you with that , where would you like to go ?
inform((_:search,destination,'stansted airport');(_:search,type,'Train'))
user
I need to get to Stansted airport please .
request((_:search,day,?);(_:search,type,'Train'))
system
What day will you be traveling ?
inform((_:search,day,'thursday');(_:search,type,'Train'))
user
I 'd like to travel on thursday
request((_:search,arrive_by,?);(_:search,leave_at,?);(_:search,type,'Train'))
system
What time do you need to leave or arrive by ?
inform((_:search,leave_at,'16:15');(_:search,type,'Train'))
user
I need to leave after 16:15 .
system
Ok there is one leaving at the same time i 'm eager to book it for you
_:search departure cambridge
_:search type Train
_:search departure cambridge
_:search destination stansted airport
_:search type Train
_:search departure cambridge
_:search destination stansted airport
_:search day thursday
_:search type Train
_:search departure cambridge
_:search destination stansted airport
_:search day thursday
_:search arrive_by ?
_:search leave_at 16:15
_:search type Train