[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) 1 b) 3 c) 2 d) 4 ride_type=a of possible values a) regular b) pool c) luxury [context] [user] i'm in need of a cab.
State: [state] destination=none 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=c of possible values a) pool b) luxury c) regular destination=659 merchant street number_of_seats=c of possible values a) 3 b) 1 c) 2 d) 4 [context] [user] i'm in need of a cab. [system] where are you heading? [user] i'm heading over to parc montsouris.
State: [state] ride_type=none destination=parc montsouris number_of_seats=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=c of possible values a) pool b) luxury c) regular number_of_seats=b of possible values a) 3 b) 2 c) 4 d) 1 destination=659 merchant street [context] [user] i'm in need of a cab. [system] where are you heading? [user] i'm heading over to parc montsouris. [system] how many passengers will there be? [user] just one passenger.
State: [state] ride_type=none number_of_seats=d destination=parc montsouris

[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=b of possible values a) 3 b) 2 c) 1 d) 4 ride_type=b of possible values a) luxury b) regular c) pool [context] [user] i'm in need of a cab. [system] where are you heading? [user] i'm heading over to parc montsouris. [system] how many passengers will there be? [user] just one passenger. [system] is there a type of vehicle you would like? [user] i want a luxury vehicle. and i'm going to 4058 18th street a.
State: [state] destination=4058 18th street a number_of_seats=c ride_type=a

[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) luxury b) pool c) regular destination=659 merchant street number_of_seats=b of possible values a) 4 b) 2 c) 3 d) 1 [context] [user] i'm in need of a cab. [system] where are you heading? [user] i'm heading over to parc montsouris. [system] how many passengers will there be? [user] just one passenger. [system] is there a type of vehicle you would like? [user] i want a luxury vehicle. and i'm going to 4058 18th street a. [system] i'll get you a luxury vehicle for 1 person to 4058 18th street a, is that right? [user] yeah, that's right.
State: [state] ride_type=a destination=4058 18th street a number_of_seats=d

[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=b of possible values a) 3 b) 2 c) 4 d) 1 ride_type=a of possible values a) regular b) luxury c) pool [context] [user] i'm in need of a cab. [system] where are you heading? [user] i'm heading over to parc montsouris. [system] how many passengers will there be? [user] just one passenger. [system] is there a type of vehicle you would like? [user] i want a luxury vehicle. and i'm going to 4058 18th street a. [system] i'll get you a luxury vehicle for 1 person to 4058 18th street a, is that right? [user] yeah, that's right. [system] the cab has been booked and it's on route. [user] thanks so much. that's it for now.
State: [state] destination=4058 18th street a number_of_seats=d ride_type=b