hello()
system
hello , welcome to the parlance dialogue system ? you can ask for restaurant -s by area , price range or food type . how may i help you ?
bye()
user
you goodbye
request((_:search,food,?);(_:search,type,'Restaurant'))
system
what kind of food would you like ?
thanks() bye()
user
thank you goodbye
bye()
system
goodbye
user
_:system greeted _:user
_:user dismissed _:system
_:system greeted _:user
_:search food ?
_:search type Restaurant
_:user thanked _:system
_:user dismissed _:system
_:system greeted _:user
_:search food ?
_:search type Restaurant
_:user thanked _:system
_:user dismissed _:system
_:system dismissed _:user