[example] [user] please search flights for me. i m leaving from las vegas on the 6th of this month and coming back on the 9th of this month. [system] where are you going? [user] i am going to sd. there is only 1 in my group. make sure to book only refundable tickets. either business or economy is fine. [system] i found a convenient southwest airlines flight for your trip. it leaves at 3:10 pm and the return flight leaves at 8:25 pm. the ticket price is $95. [user] that flight sounds good to me. [slots] outbound_departure_time=3:10 pm inbound_departure_time=8:25 pm seating_class=dontcare of possible values a) business b) premium economy c) first class d) economy return_date=9th of this month passengers=d of possible values a) 4 b) 3 c) 2 d) 1 destination_city=sd origin_city=las vegas departure_date=6th of this month refundable=a of possible values a) true b) false airlines=e of possible values a) air france b) british airways c) american airlines d) alaska airlines e) southwest airlines f) air canada g) united airlines h) delta airlines [context] [user] i'm planning a vacation soon. can you find a one-way flight for me?
State: [state] outbound_departure_time=none inbound_departure_time=none seating_class=none return_date=none passengers=none destination_city=none origin_city=none departure_date=none refundable=none airlines=none

[example] [user] please search flights for me. i m leaving from las vegas on the 6th of this month and coming back on the 9th of this month. [system] where are you going? [user] i am going to sd. there is only 1 in my group. make sure to book only refundable tickets. either business or economy is fine. [system] i found a convenient southwest airlines flight for your trip. it leaves at 3:10 pm and the return flight leaves at 8:25 pm. the ticket price is $95. [user] that flight sounds good to me. [slots] seating_class=dontcare of possible values a) economy b) first class c) premium economy d) business outbound_departure_time=3:10 pm destination_city=sd refundable=a of possible values a) true b) false return_date=9th of this month departure_date=6th of this month passengers=d of possible values a) 3 b) 4 c) 2 d) 1 inbound_departure_time=8:25 pm airlines=a of possible values a) southwest airlines b) british airways c) delta airlines d) united airlines e) american airlines f) air canada g) alaska airlines h) air france origin_city=las vegas [context] [user] i'm planning a vacation soon. can you find a one-way flight for me? [system] what locations will you be leaving and visiting? at what time do you intend on leaving? [user] my trip, which begins on march 10th, goes from portland to los angeles.
State: [state] seating_class=none outbound_departure_time=none destination_city=los angeles refundable=none return_date=none departure_date=march 10th passengers=none inbound_departure_time=none airlines=none origin_city=portland

[example] [user] please search flights for me. i m leaving from las vegas on the 6th of this month and coming back on the 9th of this month. [system] where are you going? [user] i am going to sd. there is only 1 in my group. make sure to book only refundable tickets. either business or economy is fine. [system] i found a convenient southwest airlines flight for your trip. it leaves at 3:10 pm and the return flight leaves at 8:25 pm. the ticket price is $95. [user] that flight sounds good to me. [slots] return_date=9th of this month destination_city=sd outbound_departure_time=3:10 pm seating_class=dontcare of possible values a) economy b) premium economy c) first class d) business departure_date=6th of this month passengers=a of possible values a) 1 b) 4 c) 2 d) 3 inbound_departure_time=8:25 pm refundable=b of possible values a) false b) true origin_city=las vegas airlines=e of possible values a) air canada b) united airlines c) delta airlines d) air france e) southwest airlines f) alaska airlines g) american airlines h) british airways [context] [user] i'm planning a vacation soon. can you find a one-way flight for me? [system] what locations will you be leaving and visiting? at what time do you intend on leaving? [user] my trip, which begins on march 10th, goes from portland to los angeles. [system] my search brought up 5 flights that might appeal to you. how about the alaska airlines flight? it leaves at 10:10 am, has 0 stops, and a ticket for which costs $150. [user] that's not bad, but what other flights are available?
State: [state] return_date=none destination_city=los angeles outbound_departure_time=none seating_class=none departure_date=march 10th passengers=none inbound_departure_time=none refundable=none origin_city=portland airlines=none

[example] [user] please search flights for me. i m leaving from las vegas on the 6th of this month and coming back on the 9th of this month. [system] where are you going? [user] i am going to sd. there is only 1 in my group. make sure to book only refundable tickets. either business or economy is fine. [system] i found a convenient southwest airlines flight for your trip. it leaves at 3:10 pm and the return flight leaves at 8:25 pm. the ticket price is $95. [user] that flight sounds good to me. [slots] return_date=9th of this month airlines=e of possible values a) delta airlines b) american airlines c) british airways d) air canada e) southwest airlines f) alaska airlines g) united airlines h) air france destination_city=sd passengers=b of possible values a) 4 b) 1 c) 3 d) 2 outbound_departure_time=3:10 pm inbound_departure_time=8:25 pm origin_city=las vegas refundable=b of possible values a) false b) true seating_class=dontcare of possible values a) economy b) first class c) premium economy d) business departure_date=6th of this month [context] [user] i'm planning a vacation soon. can you find a one-way flight for me? [system] what locations will you be leaving and visiting? at what time do you intend on leaving? [user] my trip, which begins on march 10th, goes from portland to los angeles. [system] my search brought up 5 flights that might appeal to you. how about the alaska airlines flight? it leaves at 10:10 am, has 0 stops, and a ticket for which costs $150. [user] that's not bad, but what other flights are available? [system] the american airlines flight might be good for you. it leaves at 6 am, has 1 stop, and a ticket for it costs $207. [user] what airport does the flight depart from?
State: [state] return_date=none airlines=none destination_city=los angeles passengers=none outbound_departure_time=none inbound_departure_time=none origin_city=portland refundable=none seating_class=none departure_date=march 10th

[example] [user] please search flights for me. i m leaving from las vegas on the 6th of this month and coming back on the 9th of this month. [system] where are you going? [user] i am going to sd. there is only 1 in my group. make sure to book only refundable tickets. either business or economy is fine. [system] i found a convenient southwest airlines flight for your trip. it leaves at 3:10 pm and the return flight leaves at 8:25 pm. the ticket price is $95. [user] that flight sounds good to me. [slots] inbound_departure_time=8:25 pm passengers=c of possible values a) 4 b) 2 c) 1 d) 3 departure_date=6th of this month refundable=a of possible values a) true b) false origin_city=las vegas return_date=9th of this month airlines=c of possible values a) delta airlines b) american airlines c) southwest airlines d) united airlines e) air france f) air canada g) british airways h) alaska airlines outbound_departure_time=3:10 pm destination_city=sd seating_class=dontcare of possible values a) economy b) premium economy c) first class d) business [context] [user] i'm planning a vacation soon. can you find a one-way flight for me? [system] what locations will you be leaving and visiting? at what time do you intend on leaving? [user] my trip, which begins on march 10th, goes from portland to los angeles. [system] my search brought up 5 flights that might appeal to you. how about the alaska airlines flight? it leaves at 10:10 am, has 0 stops, and a ticket for which costs $150. [user] that's not bad, but what other flights are available? [system] the american airlines flight might be good for you. it leaves at 6 am, has 1 stop, and a ticket for it costs $207. [user] what airport does the flight depart from? [system] it'll depart from pdx international airport. [user] that flight sounds great.
State: [state] inbound_departure_time=none passengers=none departure_date=march 10th refundable=none origin_city=portland return_date=none airlines=b outbound_departure_time=6 am destination_city=los angeles seating_class=none

[example] [user] please search flights for me. i m leaving from las vegas on the 6th of this month and coming back on the 9th of this month. [system] where are you going? [user] i am going to sd. there is only 1 in my group. make sure to book only refundable tickets. either business or economy is fine. [system] i found a convenient southwest airlines flight for your trip. it leaves at 3:10 pm and the return flight leaves at 8:25 pm. the ticket price is $95. [user] that flight sounds good to me. [slots] departure_date=6th of this month airlines=d of possible values a) alaska airlines b) british airways c) air canada d) southwest airlines e) american airlines f) air france g) united airlines h) delta airlines refundable=a of possible values a) true b) false seating_class=dontcare of possible values a) first class b) premium economy c) economy d) business return_date=9th of this month passengers=b of possible values a) 3 b) 1 c) 2 d) 4 origin_city=las vegas destination_city=sd outbound_departure_time=3:10 pm inbound_departure_time=8:25 pm [context] [user] i'm planning a vacation soon. can you find a one-way flight for me? [system] what locations will you be leaving and visiting? at what time do you intend on leaving? [user] my trip, which begins on march 10th, goes from portland to los angeles. [system] my search brought up 5 flights that might appeal to you. how about the alaska airlines flight? it leaves at 10:10 am, has 0 stops, and a ticket for which costs $150. [user] that's not bad, but what other flights are available? [system] the american airlines flight might be good for you. it leaves at 6 am, has 1 stop, and a ticket for it costs $207. [user] what airport does the flight depart from? [system] it'll depart from pdx international airport. [user] that flight sounds great. [system] would you like to purchase a ticket for it? [user] not at the moment. i'd like to see if there are any round trip flights available before i decide on a ticket to buy. traveling in economy would be ideal.
State: [state] departure_date=march 10th airlines=e refundable=none seating_class=c return_date=none passengers=none origin_city=portland destination_city=los angeles outbound_departure_time=6 am inbound_departure_time=none

[example] [user] please search flights for me. i m leaving from las vegas on the 6th of this month and coming back on the 9th of this month. [system] where are you going? [user] i am going to sd. there is only 1 in my group. make sure to book only refundable tickets. either business or economy is fine. [system] i found a convenient southwest airlines flight for your trip. it leaves at 3:10 pm and the return flight leaves at 8:25 pm. the ticket price is $95. [user] that flight sounds good to me. [slots] outbound_departure_time=3:10 pm passengers=a of possible values a) 1 b) 2 c) 3 d) 4 inbound_departure_time=8:25 pm origin_city=las vegas seating_class=dontcare of possible values a) economy b) premium economy c) first class d) business return_date=9th of this month destination_city=sd departure_date=6th of this month airlines=h of possible values a) air france b) air canada c) united airlines d) alaska airlines e) british airways f) american airlines g) delta airlines h) southwest airlines refundable=a of possible values a) true b) false [context] [user] i'm planning a vacation soon. can you find a one-way flight for me? [system] what locations will you be leaving and visiting? at what time do you intend on leaving? [user] my trip, which begins on march 10th, goes from portland to los angeles. [system] my search brought up 5 flights that might appeal to you. how about the alaska airlines flight? it leaves at 10:10 am, has 0 stops, and a ticket for which costs $150. [user] that's not bad, but what other flights are available? [system] the american airlines flight might be good for you. it leaves at 6 am, has 1 stop, and a ticket for it costs $207. [user] what airport does the flight depart from? [system] it'll depart from pdx international airport. [user] that flight sounds great. [system] would you like to purchase a ticket for it? [user] not at the moment. i'd like to see if there are any round trip flights available before i decide on a ticket to buy. traveling in economy would be ideal. [system] on what date will you return? [user] i'd like to return on the 12th of march.
State: [state] outbound_departure_time=6 am passengers=none inbound_departure_time=none origin_city=portland seating_class=a return_date=12th of march destination_city=los angeles departure_date=march 10th airlines=f refundable=none

[example] [user] please search flights for me. i m leaving from las vegas on the 6th of this month and coming back on the 9th of this month. [system] where are you going? [user] i am going to sd. there is only 1 in my group. make sure to book only refundable tickets. either business or economy is fine. [system] i found a convenient southwest airlines flight for your trip. it leaves at 3:10 pm and the return flight leaves at 8:25 pm. the ticket price is $95. [user] that flight sounds good to me. [slots] refundable=a of possible values a) true b) false origin_city=las vegas seating_class=dontcare of possible values a) premium economy b) business c) first class d) economy departure_date=6th of this month airlines=d of possible values a) delta airlines b) alaska airlines c) air france d) southwest airlines e) air canada f) american airlines g) british airways h) united airlines return_date=9th of this month destination_city=sd outbound_departure_time=3:10 pm inbound_departure_time=8:25 pm passengers=d of possible values a) 3 b) 4 c) 2 d) 1 [context] [user] i'm planning a vacation soon. can you find a one-way flight for me? [system] what locations will you be leaving and visiting? at what time do you intend on leaving? [user] my trip, which begins on march 10th, goes from portland to los angeles. [system] my search brought up 5 flights that might appeal to you. how about the alaska airlines flight? it leaves at 10:10 am, has 0 stops, and a ticket for which costs $150. [user] that's not bad, but what other flights are available? [system] the american airlines flight might be good for you. it leaves at 6 am, has 1 stop, and a ticket for it costs $207. [user] what airport does the flight depart from? [system] it'll depart from pdx international airport. [user] that flight sounds great. [system] would you like to purchase a ticket for it? [user] not at the moment. i'd like to see if there are any round trip flights available before i decide on a ticket to buy. traveling in economy would be ideal. [system] on what date will you return? [user] i'd like to return on the 12th of march. [system] how about this american airlines flight? the outbound flight leaves at 6 am, and the return flight leaves at 11:15 pm. a ticket will cost you $171. [user] at what airport will this flight arrive at?
State: [state] refundable=none origin_city=portland seating_class=d departure_date=march 10th airlines=f return_date=12th of march destination_city=los angeles outbound_departure_time=6 am inbound_departure_time=none passengers=none

[example] [user] please search flights for me. i m leaving from las vegas on the 6th of this month and coming back on the 9th of this month. [system] where are you going? [user] i am going to sd. there is only 1 in my group. make sure to book only refundable tickets. either business or economy is fine. [system] i found a convenient southwest airlines flight for your trip. it leaves at 3:10 pm and the return flight leaves at 8:25 pm. the ticket price is $95. [user] that flight sounds good to me. [slots] destination_city=sd refundable=b of possible values a) false b) true inbound_departure_time=8:25 pm departure_date=6th of this month passengers=c of possible values a) 2 b) 4 c) 1 d) 3 origin_city=las vegas return_date=9th of this month airlines=d of possible values a) air canada b) british airways c) air france d) southwest airlines e) delta airlines f) alaska airlines g) american airlines h) united airlines outbound_departure_time=3:10 pm seating_class=dontcare of possible values a) business b) economy c) first class d) premium economy [context] [user] i'm planning a vacation soon. can you find a one-way flight for me? [system] what locations will you be leaving and visiting? at what time do you intend on leaving? [user] my trip, which begins on march 10th, goes from portland to los angeles. [system] my search brought up 5 flights that might appeal to you. how about the alaska airlines flight? it leaves at 10:10 am, has 0 stops, and a ticket for which costs $150. [user] that's not bad, but what other flights are available? [system] the american airlines flight might be good for you. it leaves at 6 am, has 1 stop, and a ticket for it costs $207. [user] what airport does the flight depart from? [system] it'll depart from pdx international airport. [user] that flight sounds great. [system] would you like to purchase a ticket for it? [user] not at the moment. i'd like to see if there are any round trip flights available before i decide on a ticket to buy. traveling in economy would be ideal. [system] on what date will you return? [user] i'd like to return on the 12th of march. [system] how about this american airlines flight? the outbound flight leaves at 6 am, and the return flight leaves at 11:15 pm. a ticket will cost you $171. [user] at what airport will this flight arrive at? [system] it's going to travel to lax international airport. [user] when will the return flight arrive?
State: [state] destination_city=los angeles refundable=none inbound_departure_time=none departure_date=march 10th passengers=none origin_city=portland return_date=12th of march airlines=g outbound_departure_time=6 am seating_class=b

[example] [user] please search flights for me. i m leaving from las vegas on the 6th of this month and coming back on the 9th of this month. [system] where are you going? [user] i am going to sd. there is only 1 in my group. make sure to book only refundable tickets. either business or economy is fine. [system] i found a convenient southwest airlines flight for your trip. it leaves at 3:10 pm and the return flight leaves at 8:25 pm. the ticket price is $95. [user] that flight sounds good to me. [slots] return_date=9th of this month airlines=h of possible values a) american airlines b) air canada c) air france d) alaska airlines e) delta airlines f) united airlines g) british airways h) southwest airlines seating_class=dontcare of possible values a) first class b) economy c) premium economy d) business destination_city=sd inbound_departure_time=8:25 pm passengers=d of possible values a) 2 b) 3 c) 4 d) 1 departure_date=6th of this month refundable=a of possible values a) true b) false origin_city=las vegas outbound_departure_time=3:10 pm [context] [user] i'm planning a vacation soon. can you find a one-way flight for me? [system] what locations will you be leaving and visiting? at what time do you intend on leaving? [user] my trip, which begins on march 10th, goes from portland to los angeles. [system] my search brought up 5 flights that might appeal to you. how about the alaska airlines flight? it leaves at 10:10 am, has 0 stops, and a ticket for which costs $150. [user] that's not bad, but what other flights are available? [system] the american airlines flight might be good for you. it leaves at 6 am, has 1 stop, and a ticket for it costs $207. [user] what airport does the flight depart from? [system] it'll depart from pdx international airport. [user] that flight sounds great. [system] would you like to purchase a ticket for it? [user] not at the moment. i'd like to see if there are any round trip flights available before i decide on a ticket to buy. traveling in economy would be ideal. [system] on what date will you return? [user] i'd like to return on the 12th of march. [system] how about this american airlines flight? the outbound flight leaves at 6 am, and the return flight leaves at 11:15 pm. a ticket will cost you $171. [user] at what airport will this flight arrive at? [system] it's going to travel to lax international airport. [user] when will the return flight arrive? [system] it will arrive at 1:45 am. [user] that sounds fine with me.
State: [state] return_date=12th of march airlines=a seating_class=b destination_city=los angeles inbound_departure_time=11:15 pm passengers=none departure_date=march 10th refundable=none origin_city=portland outbound_departure_time=6 am

[example] [user] please search flights for me. i m leaving from las vegas on the 6th of this month and coming back on the 9th of this month. [system] where are you going? [user] i am going to sd. there is only 1 in my group. make sure to book only refundable tickets. either business or economy is fine. [system] i found a convenient southwest airlines flight for your trip. it leaves at 3:10 pm and the return flight leaves at 8:25 pm. the ticket price is $95. [user] that flight sounds good to me. [slots] inbound_departure_time=8:25 pm airlines=g of possible values a) british airways b) delta airlines c) air france d) united airlines e) air canada f) alaska airlines g) southwest airlines h) american airlines refundable=b of possible values a) false b) true passengers=b of possible values a) 3 b) 1 c) 4 d) 2 return_date=9th of this month outbound_departure_time=3:10 pm destination_city=sd origin_city=las vegas departure_date=6th of this month seating_class=dontcare of possible values a) premium economy b) economy c) business d) first class [context] [user] i'm planning a vacation soon. can you find a one-way flight for me? [system] what locations will you be leaving and visiting? at what time do you intend on leaving? [user] my trip, which begins on march 10th, goes from portland to los angeles. [system] my search brought up 5 flights that might appeal to you. how about the alaska airlines flight? it leaves at 10:10 am, has 0 stops, and a ticket for which costs $150. [user] that's not bad, but what other flights are available? [system] the american airlines flight might be good for you. it leaves at 6 am, has 1 stop, and a ticket for it costs $207. [user] what airport does the flight depart from? [system] it'll depart from pdx international airport. [user] that flight sounds great. [system] would you like to purchase a ticket for it? [user] not at the moment. i'd like to see if there are any round trip flights available before i decide on a ticket to buy. traveling in economy would be ideal. [system] on what date will you return? [user] i'd like to return on the 12th of march. [system] how about this american airlines flight? the outbound flight leaves at 6 am, and the return flight leaves at 11:15 pm. a ticket will cost you $171. [user] at what airport will this flight arrive at? [system] it's going to travel to lax international airport. [user] when will the return flight arrive? [system] it will arrive at 1:45 am. [user] that sounds fine with me. [system] should i purchase you a ticket right now? [user] no, i'm fine. i don't need anything else from you.
State: [state] inbound_departure_time=11:15 pm airlines=h refundable=none passengers=none return_date=12th of march outbound_departure_time=6 am destination_city=los angeles origin_city=portland departure_date=march 10th seating_class=b