[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=a of possible values a) 1 b) 4 c) 2 d) 5 e) 3 date_of_journey=march 6th from=washington journey_start_time=9:40 am to=chicago trip_protection=a of possible values a) true b) false class=c of possible values a) business b) value c) flexible [context] [user] i want you to find me a train.
State: [state] number_of_adults=none date_of_journey=none from=none journey_start_time=none to=none trip_protection=none class=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] date_of_journey=march 6th to=chicago class=c of possible values a) business b) value c) flexible from=washington journey_start_time=9:40 am number_of_adults=e of possible values a) 4 b) 2 c) 3 d) 5 e) 1 trip_protection=a of possible values a) true b) false [context] [user] i want you to find me a train. [system] can you tell me the city from where you will leave, and the city which will be your destination? [user] i want to leave from ny, and i want to arrive at chi-town.
State: [state] date_of_journey=none to=chi-town class=none from=ny journey_start_time=none number_of_adults=none 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] from=washington date_of_journey=march 6th class=c of possible values a) value b) business c) flexible trip_protection=a of possible values a) true b) false journey_start_time=9:40 am number_of_adults=e of possible values a) 2 b) 5 c) 4 d) 3 e) 1 to=chicago [context] [user] i want you to find me a train. [system] can you tell me the city from where you will leave, and the city which will be your destination? [user] i want to leave from ny, and i want to arrive at chi-town. [system] can you tell me the date of your journey? [user] i want to have tickets for the 1st.
State: [state] from=ny date_of_journey=the 1st class=none trip_protection=none journey_start_time=none number_of_adults=none to=chi-town

[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=a of possible values a) true b) false date_of_journey=march 6th number_of_adults=b of possible values a) 4 b) 1 c) 5 d) 2 e) 3 to=chicago journey_start_time=9:40 am from=washington class=c of possible values a) value b) business c) flexible [context] [user] i want you to find me a train. [system] can you tell me the city from where you will leave, and the city which will be your destination? [user] i want to leave from ny, and i want to arrive at chi-town. [system] can you tell me the date of your journey? [user] i want to have tickets for the 1st. [system] there is a $115 ticket, with a 6 am departure. [user] that is right. that would be all.
State: [state] trip_protection=none date_of_journey=the 1st number_of_adults=none to=chi-town journey_start_time=6 am from=ny class=none