[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 return_date=the 13th seating_class=d of possible values a) first class b) premium economy c) business d) economy departure_date=9th of this month airlines=c of possible values a) american airlines b) air canada c) delta airlines d) air france e) united airlines f) alaska airlines g) southwest airlines h) british airways destination=sf passengers=c of possible values a) 3 b) 4 c) 1 d) 2 [context] [user] i need premium economy tickets for a one way flight.
State: [state] origin=none return_date=none seating_class=b departure_date=none airlines=none destination=none 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] passengers=b of possible values a) 4 b) 1 c) 2 d) 3 origin=seattle destination=sf departure_date=9th of this month return_date=the 13th seating_class=b of possible values a) premium economy b) economy c) first class d) business airlines=b of possible values a) united airlines b) delta airlines c) american airlines d) air canada e) british airways f) air france g) southwest airlines h) alaska airlines [context] [user] i need premium economy tickets for a one way flight. [system] what is your departure city? [user] departing from mexico city.
State: [state] passengers=none origin=mexico city destination=none departure_date=none return_date=none seating_class=a 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] seating_class=c of possible values a) premium economy b) business c) economy d) first class passengers=c of possible values a) 3 b) 2 c) 1 d) 4 return_date=the 13th origin=seattle airlines=d of possible values a) alaska airlines b) southwest airlines c) american airlines d) delta airlines e) air france f) british airways g) united airlines h) air canada departure_date=9th of this month destination=sf [context] [user] i need premium economy tickets for a one way flight. [system] what is your departure city? [user] departing from mexico city. [system] what is your destination? [user] please search united airlines departing on march 12th and arriving in la.
State: [state] seating_class=a passengers=none return_date=none origin=mexico city airlines=g departure_date=march 12th destination=la

[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 airlines=c of possible values a) united airlines b) american airlines c) delta airlines d) air canada e) air france f) british airways g) alaska airlines h) southwest airlines return_date=the 13th seating_class=b of possible values a) first class b) economy c) premium economy d) business departure_date=9th of this month passengers=a of possible values a) 1 b) 4 c) 3 d) 2 destination=sf [context] [user] i need premium economy tickets for a one way flight. [system] what is your departure city? [user] departing from mexico city. [system] what is your destination? [user] please search united airlines departing on march 12th and arriving in la. [system] is your preference united airlines? there is a flight leaving at 8:45 pm with 0 stops at a cost of $258. [user] what is the departure airport?
State: [state] origin=mexico city airlines=a return_date=none seating_class=c departure_date=march 12th passengers=none destination=la

[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) 2 b) 1 c) 4 d) 3 airlines=c of possible values a) united airlines b) southwest airlines c) delta airlines d) alaska airlines e) british airways f) american airlines g) air canada h) air france destination=sf departure_date=9th of this month return_date=the 13th seating_class=b of possible values a) business b) economy c) first class d) premium economy origin=seattle [context] [user] i need premium economy tickets for a one way flight. [system] what is your departure city? [user] departing from mexico city. [system] what is your destination? [user] please search united airlines departing on march 12th and arriving in la. [system] is your preference united airlines? there is a flight leaving at 8:45 pm with 0 stops at a cost of $258. [user] what is the departure airport? [system] departing from benito juarez international airport. [user] great. i need a round trip flight.
State: [state] passengers=none airlines=a destination=la departure_date=march 12th return_date=none seating_class=d origin=mexico 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=a of possible values a) 1 b) 2 c) 4 d) 3 return_date=the 13th airlines=a of possible values a) delta airlines b) american airlines c) british airways d) air france e) air canada f) alaska airlines g) southwest airlines h) united airlines seating_class=b of possible values a) premium economy b) economy c) first class d) business origin=seattle destination=sf departure_date=9th of this month [context] [user] i need premium economy tickets for a one way flight. [system] what is your departure city? [user] departing from mexico city. [system] what is your destination? [user] please search united airlines departing on march 12th and arriving in la. [system] is your preference united airlines? there is a flight leaving at 8:45 pm with 0 stops at a cost of $258. [user] what is the departure airport? [system] departing from benito juarez international airport. [user] great. i need a round trip flight. [system] what is your return date? [user] i get back the 14th.
State: [state] passengers=none return_date=the 14th airlines=h seating_class=a origin=mexico city destination=la departure_date=march 12th

[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=h of possible values a) american airlines b) air canada c) united airlines d) alaska airlines e) british airways f) air france g) southwest airlines h) delta airlines passengers=c of possible values a) 4 b) 3 c) 1 d) 2 departure_date=9th of this month destination=sf origin=seattle seating_class=a of possible values a) economy b) business c) first class d) premium economy return_date=the 13th [context] [user] i need premium economy tickets for a one way flight. [system] what is your departure city? [user] departing from mexico city. [system] what is your destination? [user] please search united airlines departing on march 12th and arriving in la. [system] is your preference united airlines? there is a flight leaving at 8:45 pm with 0 stops at a cost of $258. [user] what is the departure airport? [system] departing from benito juarez international airport. [user] great. i need a round trip flight. [system] what is your return date? [user] i get back the 14th. [system] there is 1 option on united airlines departing at 8:45 pm and returning at 4:25 am for $260. [user] what is the arrival time of the return flight.
State: [state] airlines=c passengers=none departure_date=march 12th destination=la origin=mexico city seating_class=d return_date=the 14th

[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 origin=seattle seating_class=c of possible values a) premium economy b) first class c) economy d) business airlines=e of possible values a) southwest airlines b) air france c) united airlines d) alaska airlines e) delta airlines f) british airways g) air canada h) american airlines passengers=d of possible values a) 2 b) 4 c) 3 d) 1 destination=sf departure_date=9th of this month [context] [user] i need premium economy tickets for a one way flight. [system] what is your departure city? [user] departing from mexico city. [system] what is your destination? [user] please search united airlines departing on march 12th and arriving in la. [system] is your preference united airlines? there is a flight leaving at 8:45 pm with 0 stops at a cost of $258. [user] what is the departure airport? [system] departing from benito juarez international airport. [user] great. i need a round trip flight. [system] what is your return date? [user] i get back the 14th. [system] there is 1 option on united airlines departing at 8:45 pm and returning at 4:25 am for $260. [user] what is the arrival time of the return flight. [system] the flight arrives at 9:45 am. [user] ok. thanks for your help.
State: [state] return_date=the 14th origin=mexico city seating_class=a airlines=c passengers=none destination=la departure_date=march 12th

[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 origin=seattle passengers=b of possible values a) 3 b) 1 c) 2 d) 4 airlines=e of possible values a) southwest airlines b) air canada c) air france d) alaska airlines e) delta airlines f) british airways g) united airlines h) american airlines departure_date=9th of this month seating_class=c of possible values a) first class b) business c) economy d) premium economy return_date=the 13th [context] [user] i need premium economy tickets for a one way flight. [system] what is your departure city? [user] departing from mexico city. [system] what is your destination? [user] please search united airlines departing on march 12th and arriving in la. [system] is your preference united airlines? there is a flight leaving at 8:45 pm with 0 stops at a cost of $258. [user] what is the departure airport? [system] departing from benito juarez international airport. [user] great. i need a round trip flight. [system] what is your return date? [user] i get back the 14th. [system] there is 1 option on united airlines departing at 8:45 pm and returning at 4:25 am for $260. [user] what is the arrival time of the return flight. [system] the flight arrives at 9:45 am. [user] ok. thanks for your help. [system] is there anything else i can assist you with? [user] no. thanks that's it.
State: [state] destination=la origin=mexico city passengers=none airlines=g departure_date=march 12th seating_class=d return_date=the 14th