[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) 3 b) 4 c) 1 d) 2 destination=659 merchant street [context] [user] i need to book a taxi please.
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] ride_type=a of possible values a) regular b) pool c) luxury number_of_seats=c of possible values a) 3 b) 4 c) 2 d) 1 destination=659 merchant street [context] [user] i need to book a taxi please. [system] is there a type of ride you prefer? and what is your destination? [user] just a regular ride please. it will be for two people and we'll be going to 5498 college avenue.
State: [state] ride_type=a number_of_seats=c destination=5498 college avenue

[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) luxury b) regular c) pool number_of_seats=c of possible values a) 3 b) 4 c) 2 d) 1 destination=659 merchant street [context] [user] i need to book a taxi please. [system] is there a type of ride you prefer? and what is your destination? [user] just a regular ride please. it will be for two people and we'll be going to 5498 college avenue. [system] confirming a regular taxi for 2 to 5498 college avenue. [user] sounds great, thank you.
State: [state] ride_type=b number_of_seats=c destination=5498 college avenue

[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=b of possible values a) pool b) regular c) luxury number_of_seats=d of possible values a) 4 b) 1 c) 3 d) 2 [context] [user] i need to book a taxi please. [system] is there a type of ride you prefer? and what is your destination? [user] just a regular ride please. it will be for two people and we'll be going to 5498 college avenue. [system] confirming a regular taxi for 2 to 5498 college avenue. [user] sounds great, thank you. [system] the taxi has been booked and it is going to arrive shortly. [user] when exactly will it be here? and what is the price please?
State: [state] destination=5498 college avenue ride_type=b 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=d of possible values a) 4 b) 1 c) 3 d) 2 ride_type=c of possible values a) pool b) luxury c) regular [context] [user] i need to book a taxi please. [system] is there a type of ride you prefer? and what is your destination? [user] just a regular ride please. it will be for two people and we'll be going to 5498 college avenue. [system] confirming a regular taxi for 2 to 5498 college avenue. [user] sounds great, thank you. [system] the taxi has been booked and it is going to arrive shortly. [user] when exactly will it be here? and what is the price please? [system] the cab will arrive in 7 minutes and the fair will be $15.05. [user] excellent, thank you for helping me. i believe i'm all set.
State: [state] destination=5498 college avenue number_of_seats=d ride_type=c