[example] [user] i am looking for a flight from seattle that return on the 13th. [system] where are you planning to go? what date would you like to travel? [user] i am flying to sf on the 9th of this month and want one economy class ticket. [system] i found 3 flights for you. would you like to fly with delta airlines? the flight takes off at 6:10 am and returns 8 am. the ticket costs $131. [user] ok. [slots] departure_date=9th of this month passengers=c of possible values a) 2 b) 3 c) 1 d) 4 seating_class=d of possible values a) business b) premium economy c) first class d) economy destination=sf return_date=the 13th origin=seattle airlines=e of possible values a) air canada b) southwest airlines c) alaska airlines d) united airlines e) delta airlines f) air france g) british airways h) american airlines [context] [user] i got to fly away from new york city.
State: [state] departure_date=none passengers=none seating_class=none destination=none return_date=none origin=new york city airlines=none

[example] [user] i am looking for a flight from seattle that return on the 13th. [system] where are you planning to go? what date would you like to travel? [user] i am flying to sf on the 9th of this month and want one economy class ticket. [system] i found 3 flights for you. would you like to fly with delta airlines? the flight takes off at 6:10 am and returns 8 am. the ticket costs $131. [user] ok. [slots] passengers=a of possible values a) 1 b) 2 c) 3 d) 4 destination=sf airlines=g of possible values a) air canada b) alaska airlines c) american airlines d) air france e) british airways f) united airlines g) delta airlines h) southwest airlines return_date=the 13th origin=seattle departure_date=9th of this month seating_class=a of possible values a) economy b) premium economy c) first class d) business [context] [user] i got to fly away from new york city. [system] when are you planning to do that. [user] on tuesday next week.
State: [state] passengers=none destination=none airlines=none return_date=none origin=new york city departure_date=tuesday next week seating_class=none

[example] [user] i am looking for a flight from seattle that return on the 13th. [system] where are you planning to go? what date would you like to travel? [user] i am flying to sf on the 9th of this month and want one economy class ticket. [system] i found 3 flights for you. would you like to fly with delta airlines? the flight takes off at 6:10 am and returns 8 am. the ticket costs $131. [user] ok. [slots] departure_date=9th of this month destination=sf airlines=f of possible values a) air canada b) air france c) southwest airlines d) american airlines e) british airways f) delta airlines g) alaska airlines h) united airlines return_date=the 13th seating_class=b of possible values a) business b) economy c) first class d) premium economy passengers=d of possible values a) 3 b) 4 c) 2 d) 1 origin=seattle [context] [user] i got to fly away from new york city. [system] when are you planning to do that. [user] on tuesday next week. [system] where you heading? [user] i'm portland, or bound.
State: [state] departure_date=tuesday next week destination=portland, or airlines=none return_date=none seating_class=none passengers=none origin=new york city

[example] [user] i am looking for a flight from seattle that return on the 13th. [system] where are you planning to go? what date would you like to travel? [user] i am flying to sf on the 9th of this month and want one economy class ticket. [system] i found 3 flights for you. would you like to fly with delta airlines? the flight takes off at 6:10 am and returns 8 am. the ticket costs $131. [user] ok. [slots] passengers=b of possible values a) 3 b) 1 c) 4 d) 2 destination=sf departure_date=9th of this month return_date=the 13th airlines=h of possible values a) united airlines b) southwest airlines c) alaska airlines d) air france e) british airways f) air canada g) american airlines h) delta airlines origin=seattle seating_class=b of possible values a) premium economy b) economy c) business d) first class [context] [user] i got to fly away from new york city. [system] when are you planning to do that. [user] on tuesday next week. [system] where you heading? [user] i'm portland, or bound. [system] i see a 4:05 am american airlines 1 stopper for $312. [user] i'll pass on that.
State: [state] passengers=none destination=portland, or departure_date=tuesday next week return_date=none airlines=none origin=new york city seating_class=none

[example] [user] i am looking for a flight from seattle that return on the 13th. [system] where are you planning to go? what date would you like to travel? [user] i am flying to sf on the 9th of this month and want one economy class ticket. [system] i found 3 flights for you. would you like to fly with delta airlines? the flight takes off at 6:10 am and returns 8 am. the ticket costs $131. [user] ok. [slots] destination=sf return_date=the 13th passengers=b of possible values a) 3 b) 1 c) 2 d) 4 departure_date=9th of this month seating_class=a of possible values a) economy b) premium economy c) first class d) business airlines=e of possible values a) american airlines b) alaska airlines c) air france d) united airlines e) delta airlines f) air canada g) british airways h) southwest airlines origin=seattle [context] [user] i got to fly away from new york city. [system] when are you planning to do that. [user] on tuesday next week. [system] where you heading? [user] i'm portland, or bound. [system] i see a 4:05 am american airlines 1 stopper for $312. [user] i'll pass on that. [system] how about a 5:55 pm 1 stop flight for $304? southwest airlines? [user] you know what? what do have for chi-town.
State: [state] destination=chi-town return_date=none passengers=none departure_date=tuesday next week seating_class=dontcare airlines=none origin=new york city

[example] [user] i am looking for a flight from seattle that return on the 13th. [system] where are you planning to go? what date would you like to travel? [user] i am flying to sf on the 9th of this month and want one economy class ticket. [system] i found 3 flights for you. would you like to fly with delta airlines? the flight takes off at 6:10 am and returns 8 am. the ticket costs $131. [user] ok. [slots] departure_date=9th of this month origin=seattle destination=sf seating_class=a of possible values a) economy b) first class c) premium economy d) business passengers=b of possible values a) 2 b) 1 c) 3 d) 4 airlines=c of possible values a) united airlines b) southwest airlines c) delta airlines d) alaska airlines e) air canada f) american airlines g) british airways h) air france return_date=the 13th [context] [user] i got to fly away from new york city. [system] when are you planning to do that. [user] on tuesday next week. [system] where you heading? [user] i'm portland, or bound. [system] i see a 4:05 am american airlines 1 stopper for $312. [user] i'll pass on that. [system] how about a 5:55 pm 1 stop flight for $304? southwest airlines? [user] you know what? what do have for chi-town. [system] i have 2 flights. there's a 6 am delta airlines with 0 stops for $131. [user] that sounds like a redeye. when does it land?
State: [state] departure_date=tuesday next week origin=new york city destination=chi-town seating_class=dontcare passengers=none airlines=none return_date=none

[example] [user] i am looking for a flight from seattle that return on the 13th. [system] where are you planning to go? what date would you like to travel? [user] i am flying to sf on the 9th of this month and want one economy class ticket. [system] i found 3 flights for you. would you like to fly with delta airlines? the flight takes off at 6:10 am and returns 8 am. the ticket costs $131. [user] ok. [slots] airlines=d of possible values a) british airways b) air canada c) air france d) delta airlines e) american airlines f) united airlines g) alaska airlines h) southwest airlines origin=seattle departure_date=9th of this month passengers=b of possible values a) 4 b) 1 c) 3 d) 2 return_date=the 13th destination=sf seating_class=c of possible values a) business b) first class c) economy d) premium economy [context] [user] i got to fly away from new york city. [system] when are you planning to do that. [user] on tuesday next week. [system] where you heading? [user] i'm portland, or bound. [system] i see a 4:05 am american airlines 1 stopper for $312. [user] i'll pass on that. [system] how about a 5:55 pm 1 stop flight for $304? southwest airlines? [user] you know what? what do have for chi-town. [system] i have 2 flights. there's a 6 am delta airlines with 0 stops for $131. [user] that sounds like a redeye. when does it land? [system] at 7:19 am. so its not a redeye. [user] make it a round-tripper.
State: [state] airlines=d origin=new york city departure_date=tuesday next week passengers=none return_date=none destination=chi-town seating_class=dontcare

[example] [user] i am looking for a flight from seattle that return on the 13th. [system] where are you planning to go? what date would you like to travel? [user] i am flying to sf on the 9th of this month and want one economy class ticket. [system] i found 3 flights for you. would you like to fly with delta airlines? the flight takes off at 6:10 am and returns 8 am. the ticket costs $131. [user] ok. [slots] destination=sf departure_date=9th of this month seating_class=b of possible values a) business b) economy c) premium economy d) first class airlines=c of possible values a) alaska airlines b) air france c) delta airlines d) southwest airlines e) american airlines f) british airways g) united airlines h) air canada passengers=d of possible values a) 3 b) 2 c) 4 d) 1 return_date=the 13th origin=seattle [context] [user] i got to fly away from new york city. [system] when are you planning to do that. [user] on tuesday next week. [system] where you heading? [user] i'm portland, or bound. [system] i see a 4:05 am american airlines 1 stopper for $312. [user] i'll pass on that. [system] how about a 5:55 pm 1 stop flight for $304? southwest airlines? [user] you know what? what do have for chi-town. [system] i have 2 flights. there's a 6 am delta airlines with 0 stops for $131. [user] that sounds like a redeye. when does it land? [system] at 7:19 am. so its not a redeye. [user] make it a round-tripper. [system] when do you want to be back? [user] 7th of march should work.
State: [state] destination=chi-town departure_date=tuesday next week seating_class=dontcare airlines=c passengers=none return_date=7th of march origin=new york city

[example] [user] i am looking for a flight from seattle that return on the 13th. [system] where are you planning to go? what date would you like to travel? [user] i am flying to sf on the 9th of this month and want one economy class ticket. [system] i found 3 flights for you. would you like to fly with delta airlines? the flight takes off at 6:10 am and returns 8 am. the ticket costs $131. [user] ok. [slots] return_date=the 13th passengers=c of possible values a) 3 b) 2 c) 1 d) 4 departure_date=9th of this month airlines=a of possible values a) delta airlines b) alaska airlines c) air france d) air canada e) southwest airlines f) united airlines g) british airways h) american airlines destination=sf seating_class=d of possible values a) premium economy b) first class c) business d) economy origin=seattle [context] [user] i got to fly away from new york city. [system] when are you planning to do that. [user] on tuesday next week. [system] where you heading? [user] i'm portland, or bound. [system] i see a 4:05 am american airlines 1 stopper for $312. [user] i'll pass on that. [system] how about a 5:55 pm 1 stop flight for $304? southwest airlines? [user] you know what? what do have for chi-town. [system] i have 2 flights. there's a 6 am delta airlines with 0 stops for $131. [user] that sounds like a redeye. when does it land? [system] at 7:19 am. so its not a redeye. [user] make it a round-tripper. [system] when do you want to be back? [user] 7th of march should work. [system] i see a delta airlines that departs at 9:55 pm and takes of at 9:15 am one the way back. that'll set you back $116. [user] jfk or laguardia?
State: [state] return_date=7th of march passengers=none departure_date=tuesday next week airlines=a destination=chi-town seating_class=dontcare origin=new york city

[example] [user] i am looking for a flight from seattle that return on the 13th. [system] where are you planning to go? what date would you like to travel? [user] i am flying to sf on the 9th of this month and want one economy class ticket. [system] i found 3 flights for you. would you like to fly with delta airlines? the flight takes off at 6:10 am and returns 8 am. the ticket costs $131. [user] ok. [slots] departure_date=9th of this month destination=sf airlines=d of possible values a) air canada b) air france c) alaska airlines d) delta airlines e) southwest airlines f) british airways g) united airlines h) american airlines return_date=the 13th seating_class=b of possible values a) business b) economy c) premium economy d) first class origin=seattle passengers=a of possible values a) 1 b) 2 c) 4 d) 3 [context] [user] i got to fly away from new york city. [system] when are you planning to do that. [user] on tuesday next week. [system] where you heading? [user] i'm portland, or bound. [system] i see a 4:05 am american airlines 1 stopper for $312. [user] i'll pass on that. [system] how about a 5:55 pm 1 stop flight for $304? southwest airlines? [user] you know what? what do have for chi-town. [system] i have 2 flights. there's a 6 am delta airlines with 0 stops for $131. [user] that sounds like a redeye. when does it land? [system] at 7:19 am. so its not a redeye. [user] make it a round-tripper. [system] when do you want to be back? [user] 7th of march should work. [system] i see a delta airlines that departs at 9:55 pm and takes of at 9:15 am one the way back. that'll set you back $116. [user] jfk or laguardia? [system] jfk international airport. [user] got it. i think i'm good for now.
State: [state] departure_date=tuesday next week destination=chi-town airlines=d return_date=7th of march seating_class=dontcare origin=new york city passengers=none