[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 ride_type=a of possible values a) regular b) pool c) luxury number_of_seats=d of possible values a) 4 b) 1 c) 3 d) 2 [context] [user] i need a cab, please.
State: [state] destination=none ride_type=none 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] number_of_seats=c of possible values a) 4 b) 3 c) 2 d) 1 ride_type=b of possible values a) luxury b) regular c) pool destination=659 merchant street [context] [user] i need a cab, please. [system] what is your destination? [user] i need to go to the museum of astronomy and related sciences.
State: [state] number_of_seats=none ride_type=none destination=museum of astronomy and related sciences

[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 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, please. [system] what is your destination? [user] i need to go to the museum of astronomy and related sciences. [system] how many people will be traveling? and do you prefer a certain type of ride? [user] it's just me, so one, and a regular ride is fine.
State: [state] ride_type=a destination=museum of astronomy and related sciences number_of_seats=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] destination=659 merchant street ride_type=a of possible values a) regular b) luxury c) pool number_of_seats=c of possible values a) 3 b) 4 c) 2 d) 1 [context] [user] i need a cab, please. [system] what is your destination? [user] i need to go to the museum of astronomy and related sciences. [system] how many people will be traveling? and do you prefer a certain type of ride? [user] it's just me, so one, and a regular ride is fine. [system] please confirm the following: you need a regular cab for 1 person to the museum of astronomy and related sciences. [user] yes, that's perfect. about how long will it be before the cab gets here?
State: [state] destination=museum of astronomy and related sciences ride_type=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] number_of_seats=a of possible values a) 2 b) 3 c) 4 d) 1 destination=659 merchant street ride_type=a of possible values a) regular b) pool c) luxury [context] [user] i need a cab, please. [system] what is your destination? [user] i need to go to the museum of astronomy and related sciences. [system] how many people will be traveling? and do you prefer a certain type of ride? [user] it's just me, so one, and a regular ride is fine. [system] please confirm the following: you need a regular cab for 1 person to the museum of astronomy and related sciences. [user] yes, that's perfect. about how long will it be before the cab gets here? [system] the ride is booked and on its way. it will be arriving in approximately 2 minutes. [user] wow. that was fast. thanks for your help.
State: [state] number_of_seats=d destination=museum of astronomy and related sciences ride_type=a