[example] [user] i would like book a cab ride to 659 merchant street. [system] is there a specific type of ride you would prefer? you can ride pool, luxury, or there are other options. [user] i would like to have a regular ride. [system] how many are in your group? [user] me and my wife, so two. [slots] ride_type=a of possible values a) regular b) pool c) luxury number_of_seats=d of possible values a) 4 b) 3 c) 1 d) 2 destination=659 merchant street [context] [user] i need a cab.
State: [state] ride_type=none number_of_seats=none destination=none

[example] [user] i would like book a cab ride to 659 merchant street. [system] is there a specific type of ride you would prefer? you can ride pool, luxury, or there are other options. [user] i would like to have a regular ride. [system] how many are in your group? [user] me and my wife, so two. [slots] destination=659 merchant street number_of_seats=c of possible values a) 3 b) 1 c) 2 d) 4 ride_type=c of possible values a) pool b) luxury c) regular [context] [user] i need a cab. [system] where to? [user] 3119 clement street.
State: [state] destination=3119 clement street number_of_seats=none ride_type=none

[example] [user] i would like book a cab ride to 659 merchant street. [system] is there a specific type of ride you would prefer? you can ride pool, luxury, or there are other options. [user] i would like to have a regular ride. [system] how many are in your group? [user] me and my wife, so two. [slots] ride_type=b of possible values a) pool b) regular c) luxury destination=659 merchant street number_of_seats=d of possible values a) 1 b) 4 c) 3 d) 2 [context] [user] i need a cab. [system] where to? [user] 3119 clement street. [system] do you prefer a specific type of ride? how many passengers? [user] there are three of us. we'd like a luxury ride.
State: [state] ride_type=c destination=3119 clement street number_of_seats=c

[example] [user] i would like book a cab ride to 659 merchant street. [system] is there a specific type of ride you would prefer? you can ride pool, luxury, or there are other options. [user] i would like to have a regular ride. [system] how many are in your group? [user] me and my wife, so two. [slots] ride_type=c of possible values a) pool b) luxury c) regular number_of_seats=d of possible values a) 4 b) 3 c) 1 d) 2 destination=659 merchant street [context] [user] i need a cab. [system] where to? [user] 3119 clement street. [system] do you prefer a specific type of ride? how many passengers? [user] there are three of us. we'd like a luxury ride. [system] so you want a luxury ride for 3 passengers to 3119 clement street? [user] no, sorry, there are just two of us. and i think i'd like a pool ride instead.
State: [state] ride_type=a number_of_seats=d destination=3119 clement street

[example] [user] i would like book a cab ride to 659 merchant street. [system] is there a specific type of ride you would prefer? you can ride pool, luxury, or there are other options. [user] i would like to have a regular ride. [system] how many are in your group? [user] me and my wife, so two. [slots] number_of_seats=d of possible values a) 1 b) 3 c) 4 d) 2 ride_type=c of possible values a) pool b) luxury c) regular destination=659 merchant street [context] [user] i need a cab. [system] where to? [user] 3119 clement street. [system] do you prefer a specific type of ride? how many passengers? [user] there are three of us. we'd like a luxury ride. [system] so you want a luxury ride for 3 passengers to 3119 clement street? [user] no, sorry, there are just two of us. and i think i'd like a pool ride instead. [system] so a pool ride for 2 passengers to the same address? [user] yes, that's good.
State: [state] number_of_seats=d ride_type=a destination=3119 clement street

[example] [user] i would like book a cab ride to 659 merchant street. [system] is there a specific type of ride you would prefer? you can ride pool, luxury, or there are other options. [user] i would like to have a regular ride. [system] how many are in your group? [user] me and my wife, so two. [slots] number_of_seats=c of possible values a) 3 b) 4 c) 2 d) 1 ride_type=c of possible values a) luxury b) pool c) regular destination=659 merchant street [context] [user] i need a cab. [system] where to? [user] 3119 clement street. [system] do you prefer a specific type of ride? how many passengers? [user] there are three of us. we'd like a luxury ride. [system] so you want a luxury ride for 3 passengers to 3119 clement street? [user] no, sorry, there are just two of us. and i think i'd like a pool ride instead. [system] so a pool ride for 2 passengers to the same address? [user] yes, that's good. [system] your ride is confirmed and the cab is on its way. [user] thanks you. that's all i need.
State: [state] number_of_seats=c ride_type=b destination=3119 clement street