[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 number_of_adults=b of possible values a) 5 b) 1 c) 2 d) 4 e) 3 to=chicago journey_start_time=9:40 am class=a of possible values a) flexible b) business c) value [context] [user] i would like to find a train.
State: [state] trip_protection=none date_of_journey=none from=none number_of_adults=none to=none journey_start_time=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 journey_start_time=9:40 am from=washington number_of_adults=d of possible values a) 3 b) 2 c) 5 d) 1 e) 4 trip_protection=a of possible values a) true b) false class=b of possible values a) value b) flexible c) business [context] [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.
State: [state] date_of_journey=march 6th to=chicago journey_start_time=none from=washington number_of_adults=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] trip_protection=a of possible values a) true b) false number_of_adults=a of possible values a) 1 b) 5 c) 4 d) 2 e) 3 class=b of possible values a) business b) flexible c) value date_of_journey=march 6th to=chicago journey_start_time=9:40 am from=washington [context] [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] which station does it leave from?
State: [state] trip_protection=none number_of_adults=none class=none date_of_journey=march 6th to=chicago journey_start_time=none from=washington

[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 to=chicago class=c of possible values a) business b) value c) flexible from=washington number_of_adults=e of possible values a) 2 b) 5 c) 3 d) 4 e) 1 date_of_journey=march 6th journey_start_time=9:40 am [context] [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] which station does it leave from? [system] the train leaves from union station. [user] i would like to purchase tickets.
State: [state] trip_protection=none to=chicago class=none from=washington number_of_adults=none date_of_journey=march 6th journey_start_time=9:40 am

[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 to=chicago number_of_adults=d of possible values a) 4 b) 3 c) 5 d) 1 e) 2 class=a of possible values a) flexible b) business c) value from=washington journey_start_time=9:40 am date_of_journey=march 6th [context] [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] which station does it leave from? [system] the train leaves from union station. [user] i would like to purchase tickets. [system] how many tickets would you like? [user] i will need one seat.
State: [state] trip_protection=none to=chicago number_of_adults=d class=none from=washington journey_start_time=9:40 am date_of_journey=march 6th

[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 from=washington to=chicago number_of_adults=d of possible values a) 4 b) 3 c) 5 d) 1 e) 2 class=b of possible values a) value b) flexible c) business trip_protection=a of possible values a) true b) false date_of_journey=march 6th [context] [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] which station does it leave from? [system] the train leaves from union station. [user] i would like to purchase tickets. [system] how many tickets would you like? [user] i will need one seat. [system] do you want travel insurance? [user] yes, i want a trip insurance.
State: [state] journey_start_time=9:40 am from=washington to=chicago number_of_adults=d class=none trip_protection=a date_of_journey=march 6th

[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 trip_protection=a of possible values a) true b) false to=chicago from=washington class=a of possible values a) flexible b) value c) business journey_start_time=9:40 am number_of_adults=e of possible values a) 3 b) 5 c) 4 d) 2 e) 1 [context] [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] which station does it leave from? [system] the train leaves from union station. [user] i would like to purchase tickets. [system] how many tickets would you like? [user] i will need one seat. [system] do you want travel insurance? [user] yes, i want a trip insurance. [system] booking 1 value ticket from washington to chicago on march 6th at 9:40 am. [user] i would like a flexible ticket.
State: [state] date_of_journey=march 6th trip_protection=a to=chicago from=washington class=a journey_start_time=9:40 am number_of_adults=e

[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 class=b of possible values a) value b) flexible c) business number_of_adults=c of possible values a) 3 b) 5 c) 1 d) 4 e) 2 from=washington to=chicago journey_start_time=9:40 am date_of_journey=march 6th [context] [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] which station does it leave from? [system] the train leaves from union station. [user] i would like to purchase tickets. [system] how many tickets would you like? [user] i will need one seat. [system] do you want travel insurance? [user] yes, i want a trip insurance. [system] booking 1 value ticket from washington to chicago on march 6th at 9:40 am. [user] i would like a flexible ticket. [system] booking 1 flexible ticket. [user] yes, that works for me.
State: [state] trip_protection=b class=b number_of_adults=c from=washington to=chicago journey_start_time=9:40 am date_of_journey=march 6th

[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 number_of_adults=a of possible values a) 1 b) 3 c) 5 d) 4 e) 2 to=chicago journey_start_time=9:40 am class=a of possible values a) flexible b) value c) business date_of_journey=march 6th trip_protection=b of possible values a) false b) true [context] [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] which station does it leave from? [system] the train leaves from union station. [user] i would like to purchase tickets. [system] how many tickets would you like? [user] i will need one seat. [system] do you want travel insurance? [user] yes, i want a trip insurance. [system] booking 1 value ticket from washington to chicago on march 6th at 9:40 am. [user] i would like a flexible ticket. [system] booking 1 flexible ticket. [user] yes, that works for me. [system] your ticket was booked. [user] that is all i needed.
State: [state] from=washington number_of_adults=a to=chicago journey_start_time=9:40 am class=a date_of_journey=march 6th trip_protection=b