[example] [user] i would like to find a train. [system] where are you departing from and what is your destination? [user] i'm leaving washington to chicago on march 6th. [system] there are 5 trains. there is one leaving at 9:40 am for $109. [user] i would like to purchase one ticket. flexible ticket, and add travel insurance. [slots] class=c of possible values a) business b) value c) flexible number_of_adults=d of possible values a) 3 b) 5 c) 2 d) 1 e) 4 to=chicago trip_protection=a of possible values a) true b) false date_of_journey=march 6th journey_start_time=9:40 am from=washington [context] [user] i need to find a train, please.
State: [state] class=none number_of_adults=none to=none trip_protection=none date_of_journey=none journey_start_time=none from=none

[example] [user] i would like to find a train. [system] where are you departing from and what is your destination? [user] i'm leaving washington to chicago on march 6th. [system] there are 5 trains. there is one leaving at 9:40 am for $109. [user] i would like to purchase one ticket. flexible ticket, and add travel insurance. [slots] number_of_adults=b of possible values a) 3 b) 1 c) 2 d) 5 e) 4 class=c of possible values a) value b) business c) flexible date_of_journey=march 6th trip_protection=b of possible values a) false b) true journey_start_time=9:40 am from=washington to=chicago [context] [user] i need to find a train, please. [system] on which date would you like to depart? [user] i want to leave on march 13th, preferably.
State: [state] number_of_adults=none class=none date_of_journey=march 13th trip_protection=none journey_start_time=none from=none to=none

[example] [user] i would like to find a train. [system] where are you departing from and what is your destination? [user] i'm leaving washington to chicago on march 6th. [system] there are 5 trains. there is one leaving at 9:40 am for $109. [user] i would like to purchase one ticket. flexible ticket, and add travel insurance. [slots] journey_start_time=9:40 am class=b of possible values a) business b) flexible c) value from=washington number_of_adults=a of possible values a) 1 b) 3 c) 5 d) 4 e) 2 to=chicago date_of_journey=march 6th trip_protection=a of possible values a) true b) false [context] [user] i need to find a train, please. [system] on which date would you like to depart? [user] i want to leave on march 13th, preferably. [system] and which destination city would you like to depart to? where from? [user] i need tickets from phoenix on that day and to la.
State: [state] journey_start_time=none class=none from=phoenix number_of_adults=none to=la date_of_journey=march 13th trip_protection=none

[example] [user] i would like to find a train. [system] where are you departing from and what is your destination? [user] i'm leaving washington to chicago on march 6th. [system] there are 5 trains. there is one leaving at 9:40 am for $109. [user] i would like to purchase one ticket. flexible ticket, and add travel insurance. [slots] trip_protection=b of possible values a) false b) true date_of_journey=march 6th from=washington journey_start_time=9:40 am to=chicago number_of_adults=c of possible values a) 2 b) 3 c) 1 d) 4 e) 5 class=c of possible values a) business b) value c) flexible [context] [user] i need to find a train, please. [system] on which date would you like to depart? [user] i want to leave on march 13th, preferably. [system] and which destination city would you like to depart to? where from? [user] i need tickets from phoenix on that day and to la. [system] please confirm the following: flight set to depart at 7 am. the ticket price is $87. [user] yeah, that's exactly it.
State: [state] trip_protection=none date_of_journey=march 13th from=phoenix journey_start_time=7 am to=la number_of_adults=none class=none