[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=e of possible values a) air france b) united airlines c) air canada d) southwest airlines e) delta airlines f) alaska airlines g) american airlines h) british airways return_date=the 13th origin=seattle seating_class=c of possible values a) business b) premium economy c) economy d) first class passengers=a of possible values a) 1 b) 2 c) 4 d) 3 departure_date=9th of this month [context] [user] i need a one-way plane ticket.
State: [state] destination=none airlines=none return_date=none origin=none seating_class=none passengers=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] passengers=a of possible values a) 1 b) 4 c) 3 d) 2 origin=seattle airlines=h of possible values a) british airways b) american airlines c) southwest airlines d) united airlines e) air france f) air canada g) alaska airlines h) delta airlines destination=sf return_date=the 13th departure_date=9th of this month seating_class=d of possible values a) first class b) business c) premium economy d) economy [context] [user] i need a one-way plane ticket. [system] where do you want to go? [user] i need one ticket to toronto, ontario.
State: [state] passengers=a origin=none airlines=none destination=toronto, ontario return_date=none departure_date=none 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] return_date=the 13th destination=sf departure_date=9th of this month airlines=c of possible values a) air france b) southwest airlines c) delta airlines d) alaska airlines e) british airways f) american airlines g) united airlines h) air canada passengers=c of possible values a) 2 b) 3 c) 1 d) 4 origin=seattle seating_class=d of possible values a) business b) first class c) premium economy d) economy [context] [user] i need a one-way plane ticket. [system] where do you want to go? [user] i need one ticket to toronto, ontario. [system] okay, where would you be flying from? [user] i'd fly from philadelphia.
State: [state] return_date=none destination=toronto, ontario departure_date=none airlines=none passengers=c origin=philadelphia 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] airlines=f of possible values a) air france b) southwest airlines c) alaska airlines d) air canada e) american airlines f) delta airlines g) british airways h) united airlines seating_class=d of possible values a) premium economy b) business c) first class d) economy return_date=the 13th destination=sf passengers=b of possible values a) 3 b) 1 c) 2 d) 4 origin=seattle departure_date=9th of this month [context] [user] i need a one-way plane ticket. [system] where do you want to go? [user] i need one ticket to toronto, ontario. [system] okay, where would you be flying from? [user] i'd fly from philadelphia. [system] when would you like to go? [user] this saturday please. oh, actually, change that to 3 tickets.
State: [state] airlines=none seating_class=none return_date=none destination=toronto, ontario passengers=a origin=philadelphia departure_date=this saturday

[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) air france b) british airways c) american airlines d) delta airlines e) united airlines f) alaska airlines g) air canada h) southwest airlines passengers=c of possible values a) 4 b) 2 c) 1 d) 3 seating_class=c of possible values a) premium economy b) first class c) economy d) business destination=sf departure_date=9th of this month return_date=the 13th origin=seattle [context] [user] i need a one-way plane ticket. [system] where do you want to go? [user] i need one ticket to toronto, ontario. [system] okay, where would you be flying from? [user] i'd fly from philadelphia. [system] when would you like to go? [user] this saturday please. oh, actually, change that to 3 tickets. [system] american airlines has a flight this saturday that takes off at 4:45 pm. it has 1 stop and costs $160. how does that sound? [user] that would be perfect! thank you.
State: [state] airlines=c passengers=d seating_class=none destination=toronto, ontario departure_date=this saturday return_date=none origin=philadelphia