inform((_:search,type,'Taxi'))
user
I would like to book a taxi please .
request((_:search,destination,?);(_:search,type,'Taxi'))
system
Where would you like to go ?
inform((_:search,destination,'broughton house gallery');(_:search,type,'Taxi'))
user
I need to go to broughton house gallery .
request((_:search,departure,?);(_:search,type,'Taxi'))
system
I 'd be happy to book that for you , where will you need picked up ?
inform((_:search,departure,'the junction');(_:search,type,'Taxi'))
user
I am leaving from the junction .
system
Sure thing , when would you like to arrive or leave by ?
_:search type Taxi
_:search destination broughton house gallery
_:search type Taxi
_:search destination broughton house gallery
_:search departure the junction
_:search type Taxi