[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 class=b of possible values a) business b) flexible c) value journey_start_time=9:40 am date_of_journey=march 6th from=washington number_of_adults=a of possible values a) 1 b) 5 c) 2 d) 3 e) 4 [context] [user] can you find a train for me. i need one seat and i'm looking to go from washington to philadelphia.
State: [state] trip_protection=none to=philadelphia class=none journey_start_time=none date_of_journey=none from=washington number_of_adults=a

[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 date_of_journey=march 6th number_of_adults=b of possible values a) 4 b) 1 c) 2 d) 5 e) 3 journey_start_time=9:40 am class=a of possible values a) flexible b) value c) business from=washington [context] [user] can you find a train for me. i need one seat and i'm looking to go from washington to philadelphia. [system] what is the day that you are wanting to travel? [user] find tickets for me for tuesday next week.
State: [state] trip_protection=none to=philadelphia date_of_journey=tuesday next week number_of_adults=b journey_start_time=none class=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] to=chicago number_of_adults=d of possible values a) 2 b) 4 c) 3 d) 1 e) 5 from=washington date_of_journey=march 6th class=c of possible values a) value b) business c) flexible trip_protection=b of possible values a) false b) true journey_start_time=9:40 am [context] [user] can you find a train for me. i need one seat and i'm looking to go from washington to philadelphia. [system] what is the day that you are wanting to travel? [user] find tickets for me for tuesday next week. [system] it leaves at 6 am and the price is $61 in all. [user] that sounds fine.
State: [state] to=philadelphia number_of_adults=d from=washington date_of_journey=tuesday next week class=none trip_protection=none journey_start_time=6 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=a of possible values a) true b) false journey_start_time=9:40 am from=washington class=c of possible values a) business b) value c) flexible date_of_journey=march 6th to=chicago number_of_adults=d of possible values a) 4 b) 5 c) 3 d) 1 e) 2 [context] [user] can you find a train for me. i need one seat and i'm looking to go from washington to philadelphia. [system] what is the day that you are wanting to travel? [user] find tickets for me for tuesday next week. [system] it leaves at 6 am and the price is $61 in all. [user] that sounds fine. [system] would you like me to book tickets? [user] no, don't want to book tickets at the moment. that was all i wanted.
State: [state] trip_protection=none journey_start_time=6 am from=washington class=none date_of_journey=tuesday next week to=philadelphia number_of_adults=d