[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=c of possible values a) 3 b) 4 c) 1 d) 2 destination=sf seating_class=b of possible values a) first class b) economy c) business d) premium economy airlines=h of possible values a) american airlines b) southwest airlines c) british airways d) alaska airlines e) air canada f) united airlines g) air france h) delta airlines return_date=the 13th origin=seattle departure_date=9th of this month [context] [user] i am looking for a flight.
State: [state] passengers=none destination=none seating_class=none airlines=none return_date=none origin=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] seating_class=d of possible values a) premium economy b) first class c) business d) economy passengers=a of possible values a) 1 b) 4 c) 2 d) 3 departure_date=9th of this month destination=sf origin=seattle return_date=the 13th airlines=g of possible values a) air canada b) american airlines c) southwest airlines d) air france e) united airlines f) british airways g) delta airlines h) alaska airlines [context] [user] i am looking for a flight. [system] where are you planning to go? [user] returning on the 13th, i am flying to ciudad de mexico.
State: [state] seating_class=none passengers=none departure_date=none destination=ciudad de mexico origin=none return_date=the 13th 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] return_date=the 13th airlines=g of possible values a) air canada b) united airlines c) alaska airlines d) british airways e) american airlines f) air france g) delta airlines h) southwest airlines destination=sf seating_class=a of possible values a) economy b) first class c) business d) premium economy origin=seattle departure_date=9th of this month passengers=d of possible values a) 4 b) 2 c) 3 d) 1 [context] [user] i am looking for a flight. [system] where are you planning to go? [user] returning on the 13th, i am flying to ciudad de mexico. [system] which city do you want to depart from, what date would you like to travel? [user] locate flights from philly. i want to start my travel on the 11th of this month.
State: [state] return_date=the 13th airlines=none destination=ciudad de mexico seating_class=none origin=philly departure_date=11th of this month passengers=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 passengers=a of possible values a) 1 b) 3 c) 2 d) 4 airlines=d of possible values a) air france b) united airlines c) american airlines d) delta airlines e) air canada f) british airways g) alaska airlines h) southwest airlines origin=seattle seating_class=d of possible values a) premium economy b) business c) first class d) economy return_date=the 13th departure_date=9th of this month [context] [user] i am looking for a flight. [system] where are you planning to go? [user] returning on the 13th, i am flying to ciudad de mexico. [system] which city do you want to depart from, what date would you like to travel? [user] locate flights from philly. i want to start my travel on the 11th of this month. [system] i found 2 flights for you, would you like to fly with delta airlines? the flight takes off at 4:40 pm and the returning flight takes off at 3 pm. the ticket price is $228. [user] is there anything else?
State: [state] destination=ciudad de mexico passengers=none airlines=none origin=philly seating_class=none return_date=the 13th departure_date=11th of this month

[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 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 origin=seattle destination=sf departure_date=9th of this month airlines=b of possible values a) american airlines b) delta airlines c) southwest airlines d) united airlines e) air france f) alaska airlines g) air canada h) british airways [context] [user] i am looking for a flight. [system] where are you planning to go? [user] returning on the 13th, i am flying to ciudad de mexico. [system] which city do you want to depart from, what date would you like to travel? [user] locate flights from philly. i want to start my travel on the 11th of this month. [system] i found 2 flights for you, would you like to fly with delta airlines? the flight takes off at 4:40 pm and the returning flight takes off at 3 pm. the ticket price is $228. [user] is there anything else? [system] would you like to fly with united airlines? the flight takes off at 12:55 pm, and the returning flight takes off at 8:25 am. the ticket price is $219. [user] when does the flight arrive at my destination?
State: [state] return_date=the 13th seating_class=none passengers=none origin=philly destination=ciudad de mexico departure_date=11th of this month 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] departure_date=9th of this month return_date=the 13th airlines=g of possible values a) southwest airlines b) alaska airlines c) air france d) american airlines e) air canada f) british airways g) delta airlines h) united airlines passengers=c of possible values a) 2 b) 3 c) 1 d) 4 destination=sf seating_class=b of possible values a) first class b) economy c) premium economy d) business origin=seattle [context] [user] i am looking for a flight. [system] where are you planning to go? [user] returning on the 13th, i am flying to ciudad de mexico. [system] which city do you want to depart from, what date would you like to travel? [user] locate flights from philly. i want to start my travel on the 11th of this month. [system] i found 2 flights for you, would you like to fly with delta airlines? the flight takes off at 4:40 pm and the returning flight takes off at 3 pm. the ticket price is $228. [user] is there anything else? [system] would you like to fly with united airlines? the flight takes off at 12:55 pm, and the returning flight takes off at 8:25 am. the ticket price is $219. [user] when does the flight arrive at my destination? [system] the flight arrives at 7:31 pm. [user] okay, i want to find a one way flight and i want four tickets.
State: [state] departure_date=11th of this month return_date=the 13th airlines=h passengers=d destination=ciudad de mexico seating_class=none origin=philly

[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 return_date=the 13th airlines=h of possible values a) southwest airlines b) alaska airlines c) american airlines d) air france e) british airways f) united airlines g) air canada h) delta airlines seating_class=b of possible values a) first class b) economy c) premium economy d) business passengers=b of possible values a) 4 b) 1 c) 3 d) 2 destination=sf [context] [user] i am looking for a flight. [system] where are you planning to go? [user] returning on the 13th, i am flying to ciudad de mexico. [system] which city do you want to depart from, what date would you like to travel? [user] locate flights from philly. i want to start my travel on the 11th of this month. [system] i found 2 flights for you, would you like to fly with delta airlines? the flight takes off at 4:40 pm and the returning flight takes off at 3 pm. the ticket price is $228. [user] is there anything else? [system] would you like to fly with united airlines? the flight takes off at 12:55 pm, and the returning flight takes off at 8:25 am. the ticket price is $219. [user] when does the flight arrive at my destination? [system] the flight arrives at 7:31 pm. [user] okay, i want to find a one way flight and i want four tickets. [system] i found 1 flight for you, would you like to fly with united airlines? the flight leaves at 12:55 pm, and the flight has 1 stop and costs $211. [user] where does the flight land?
State: [state] departure_date=11th of this month origin=philly return_date=the 13th airlines=f seating_class=none passengers=a destination=ciudad de mexico

[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=c of possible values a) 4 b) 3 c) 1 d) 2 airlines=a of possible values a) delta airlines b) american airlines c) united airlines d) southwest airlines e) air france f) air canada g) british airways h) alaska airlines departure_date=9th of this month destination=sf seating_class=a of possible values a) economy b) first class c) premium economy d) business origin=seattle return_date=the 13th [context] [user] i am looking for a flight. [system] where are you planning to go? [user] returning on the 13th, i am flying to ciudad de mexico. [system] which city do you want to depart from, what date would you like to travel? [user] locate flights from philly. i want to start my travel on the 11th of this month. [system] i found 2 flights for you, would you like to fly with delta airlines? the flight takes off at 4:40 pm and the returning flight takes off at 3 pm. the ticket price is $228. [user] is there anything else? [system] would you like to fly with united airlines? the flight takes off at 12:55 pm, and the returning flight takes off at 8:25 am. the ticket price is $219. [user] when does the flight arrive at my destination? [system] the flight arrives at 7:31 pm. [user] okay, i want to find a one way flight and i want four tickets. [system] i found 1 flight for you, would you like to fly with united airlines? the flight leaves at 12:55 pm, and the flight has 1 stop and costs $211. [user] where does the flight land? [system] the flight is for benito juarez international airport. [user] which airport does the flight leave from and when does the flight arrive at my destination?
State: [state] passengers=a airlines=c departure_date=11th of this month destination=ciudad de mexico seating_class=none origin=philly return_date=the 13th

[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 departure_date=9th of this month passengers=c of possible values a) 4 b) 3 c) 1 d) 2 return_date=the 13th seating_class=d of possible values a) business b) first class c) premium economy d) economy destination=sf airlines=c of possible values a) southwest airlines b) air france c) delta airlines d) air canada e) american airlines f) united airlines g) british airways h) alaska airlines [context] [user] i am looking for a flight. [system] where are you planning to go? [user] returning on the 13th, i am flying to ciudad de mexico. [system] which city do you want to depart from, what date would you like to travel? [user] locate flights from philly. i want to start my travel on the 11th of this month. [system] i found 2 flights for you, would you like to fly with delta airlines? the flight takes off at 4:40 pm and the returning flight takes off at 3 pm. the ticket price is $228. [user] is there anything else? [system] would you like to fly with united airlines? the flight takes off at 12:55 pm, and the returning flight takes off at 8:25 am. the ticket price is $219. [user] when does the flight arrive at my destination? [system] the flight arrives at 7:31 pm. [user] okay, i want to find a one way flight and i want four tickets. [system] i found 1 flight for you, would you like to fly with united airlines? the flight leaves at 12:55 pm, and the flight has 1 stop and costs $211. [user] where does the flight land? [system] the flight is for benito juarez international airport. [user] which airport does the flight leave from and when does the flight arrive at my destination? [system] it takes off from phl international airport. the flight arrives at 7:31 pm. [user] thank you, that is all i need.
State: [state] origin=philly departure_date=11th of this month passengers=a return_date=the 13th seating_class=none destination=ciudad de mexico airlines=f