[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 airlines=f of possible values a) american airlines b) alaska airlines c) air france d) air canada e) united airlines f) delta airlines g) southwest airlines h) british airways seating_class=c of possible values a) premium economy b) first class c) economy d) business passengers=b of possible values a) 4 b) 1 c) 3 d) 2 origin=seattle return_date=the 13th departure_date=9th of this month [context] [user] can you please get me a one way plane ticket?
State: [state] destination=none airlines=none seating_class=none passengers=none origin=none return_date=none departure_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] origin=seattle seating_class=b of possible values a) business b) economy c) premium economy d) first class passengers=a of possible values a) 1 b) 4 c) 3 d) 2 departure_date=9th of this month airlines=g of possible values a) air france b) air canada c) american airlines d) alaska airlines e) united airlines f) southwest airlines g) delta airlines h) british airways return_date=the 13th destination=sf [context] [user] can you please get me a one way plane ticket? [system] absolutely, where will you depart from? what is your destination and do you know the date you want to go? [user] i have to have 2 tickets to las vegas on 4th of march on economy. i'll be leaving kl.
State: [state] origin=kl seating_class=b passengers=d departure_date=4th of march airlines=none return_date=none destination=las vegas

[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] origin=seattle destination=sf passengers=d of possible values a) 4 b) 2 c) 3 d) 1 return_date=the 13th departure_date=9th of this month airlines=c of possible values a) american airlines b) alaska airlines c) delta airlines d) southwest airlines e) air canada f) british airways g) air france h) united airlines seating_class=d of possible values a) business b) first class c) premium economy d) economy [context] [user] can you please get me a one way plane ticket? [system] absolutely, where will you depart from? what is your destination and do you know the date you want to go? [user] i have to have 2 tickets to las vegas on 4th of march on economy. i'll be leaving kl. [system] simple enough. i have 2 options. how would you enjoy american airlines? it takes off at 1:45 pm, has 1 stop but the cost is $415. [user] is this one of those redeye trips? when will i arrive?
State: [state] origin=kl destination=las vegas passengers=b return_date=none departure_date=4th of march airlines=none seating_class=d

[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 destination=sf departure_date=9th of this month airlines=c of possible values a) british airways b) southwest airlines c) delta airlines d) alaska airlines e) american airlines f) united airlines g) air france h) air canada passengers=d of possible values a) 4 b) 2 c) 3 d) 1 origin=seattle seating_class=c of possible values a) first class b) premium economy c) economy d) business [context] [user] can you please get me a one way plane ticket? [system] absolutely, where will you depart from? what is your destination and do you know the date you want to go? [user] i have to have 2 tickets to las vegas on 4th of march on economy. i'll be leaving kl. [system] simple enough. i have 2 options. how would you enjoy american airlines? it takes off at 1:45 pm, has 1 stop but the cost is $415. [user] is this one of those redeye trips? when will i arrive? [system] no, it's not an overnight flight. it gets there at 9:35 pm. [user] that's great information.
State: [state] return_date=none destination=las vegas departure_date=4th of march airlines=e passengers=b origin=kl seating_class=c