[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) first class b) economy c) premium economy d) business inbound_departure_time=8:25 pm passengers=a of possible values a) 1 b) 3 c) 2 d) 4 return_date=9th of this month origin_city=las vegas refundable=b of possible values a) false b) true airlines=h of possible values a) air france b) british airways c) air canada d) alaska airlines e) united airlines f) delta airlines g) american airlines h) southwest airlines departure_date=6th of this month outbound_departure_time=3:10 pm destination_city=sd [context] [user] i'll be going on a trip soon. can you book flight tickets for me? i'm hoping to leave around 14:30.
State: [state] seating_class=none inbound_departure_time=none passengers=none return_date=none origin_city=none refundable=none airlines=none departure_date=none outbound_departure_time=14:30 destination_city=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] inbound_departure_time=8:25 pm refundable=b of possible values a) false b) true outbound_departure_time=3:10 pm destination_city=sd airlines=a of possible values a) southwest airlines b) united airlines c) air france d) american airlines e) alaska airlines f) air canada g) british airways h) delta airlines origin_city=las vegas departure_date=6th of this month return_date=9th of this month passengers=c of possible values a) 4 b) 3 c) 1 d) 2 seating_class=dontcare of possible values a) first class b) business c) premium economy d) economy [context] [user] i'll be going on a trip soon. can you book flight tickets for me? i'm hoping to leave around 14:30. [system] no problem. where to and from, and what day do you want to leave? [user] i'm going from ny to san francisco and leaving on saturday this week. any ticket in economy class is fine.
State: [state] inbound_departure_time=none refundable=none outbound_departure_time=14:30 destination_city=san francisco airlines=none origin_city=ny departure_date=saturday this week return_date=none passengers=none seating_class=d

[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] origin_city=las vegas passengers=d of possible values a) 3 b) 4 c) 2 d) 1 departure_date=6th of this month destination_city=sd return_date=9th of this month refundable=b of possible values a) false b) true inbound_departure_time=8:25 pm seating_class=dontcare of possible values a) premium economy b) economy c) first class d) business outbound_departure_time=3:10 pm airlines=b of possible values a) united airlines b) southwest airlines c) delta airlines d) alaska airlines e) american airlines f) air canada g) air france h) british airways [context] [user] i'll be going on a trip soon. can you book flight tickets for me? i'm hoping to leave around 14:30. [system] no problem. where to and from, and what day do you want to leave? [user] i'm going from ny to san francisco and leaving on saturday this week. any ticket in economy class is fine. [system] what are your preferred airlines? [user] i usually fly delta airlines.
State: [state] origin_city=ny passengers=none departure_date=saturday this week destination_city=san francisco return_date=none refundable=none inbound_departure_time=none seating_class=b outbound_departure_time=14:30 airlines=c

[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] airlines=a of possible values a) southwest airlines b) air canada c) american airlines d) alaska airlines e) air france f) united airlines g) delta airlines h) british airways return_date=9th of this month refundable=b of possible values a) false b) true outbound_departure_time=3:10 pm origin_city=las vegas seating_class=dontcare of possible values a) economy b) business c) first class d) premium economy inbound_departure_time=8:25 pm departure_date=6th of this month passengers=a of possible values a) 1 b) 2 c) 4 d) 3 destination_city=sd [context] [user] i'll be going on a trip soon. can you book flight tickets for me? i'm hoping to leave around 14:30. [system] no problem. where to and from, and what day do you want to leave? [user] i'm going from ny to san francisco and leaving on saturday this week. any ticket in economy class is fine. [system] what are your preferred airlines? [user] i usually fly delta airlines. [system] ok. when do you plan to fly back and what time? [user] i'll be flying back on march 13th, preferably around eleven in the morning.
State: [state] airlines=g return_date=march 13th refundable=none outbound_departure_time=14:30 origin_city=ny seating_class=a inbound_departure_time=eleven in the morning departure_date=saturday this week passengers=none destination_city=san francisco

[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] passengers=a of possible values a) 1 b) 4 c) 2 d) 3 inbound_departure_time=8:25 pm airlines=h of possible values a) alaska airlines b) united airlines c) american airlines d) british airways e) air canada f) delta airlines g) air france h) southwest airlines return_date=9th of this month outbound_departure_time=3:10 pm departure_date=6th of this month origin_city=las vegas seating_class=dontcare of possible values a) business b) premium economy c) economy d) first class refundable=a of possible values a) true b) false destination_city=sd [context] [user] i'll be going on a trip soon. can you book flight tickets for me? i'm hoping to leave around 14:30. [system] no problem. where to and from, and what day do you want to leave? [user] i'm going from ny to san francisco and leaving on saturday this week. any ticket in economy class is fine. [system] what are your preferred airlines? [user] i usually fly delta airlines. [system] ok. when do you plan to fly back and what time? [user] i'll be flying back on march 13th, preferably around eleven in the morning. [system] ok, just to confirm, you'd like to book 1 round-trip ticket in economy with delta airlines from new york to san francisco, flying out tomorrow at 2:30 pm and returning on march 13th at 11 am. [user] no, actually, can you change the time to 14:00 for the return flight?
State: [state] passengers=none inbound_departure_time=14:00 airlines=f return_date=march 13th outbound_departure_time=14:30 departure_date=saturday this week origin_city=ny seating_class=c refundable=none destination_city=san francisco

[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] origin_city=las vegas inbound_departure_time=8:25 pm outbound_departure_time=3:10 pm seating_class=dontcare of possible values a) business b) economy c) premium economy d) first class return_date=9th of this month refundable=a of possible values a) true b) false departure_date=6th of this month destination_city=sd passengers=c of possible values a) 4 b) 3 c) 1 d) 2 airlines=g of possible values a) delta airlines b) air canada c) air france d) united airlines e) american airlines f) alaska airlines g) southwest airlines h) british airways [context] [user] i'll be going on a trip soon. can you book flight tickets for me? i'm hoping to leave around 14:30. [system] no problem. where to and from, and what day do you want to leave? [user] i'm going from ny to san francisco and leaving on saturday this week. any ticket in economy class is fine. [system] what are your preferred airlines? [user] i usually fly delta airlines. [system] ok. when do you plan to fly back and what time? [user] i'll be flying back on march 13th, preferably around eleven in the morning. [system] ok, just to confirm, you'd like to book 1 round-trip ticket in economy with delta airlines from new york to san francisco, flying out tomorrow at 2:30 pm and returning on march 13th at 11 am. [user] no, actually, can you change the time to 14:00 for the return flight? [system] sure, just to confirm, your return flight will be at 2 pm in economy. [user] oh also, can you change the return date to the 12th?
State: [state] origin_city=ny inbound_departure_time=14:00 outbound_departure_time=14:30 seating_class=b return_date=the 12th refundable=none departure_date=saturday this week destination_city=san francisco passengers=none airlines=a

[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=b of possible values a) air canada b) southwest airlines c) air france d) british airways e) delta airlines f) alaska airlines g) american airlines h) united airlines destination_city=sd seating_class=dontcare of possible values a) economy b) premium economy c) first class d) business return_date=9th of this month outbound_departure_time=3:10 pm passengers=d of possible values a) 2 b) 4 c) 3 d) 1 origin_city=las vegas departure_date=6th of this month refundable=b of possible values a) false b) true [context] [user] i'll be going on a trip soon. can you book flight tickets for me? i'm hoping to leave around 14:30. [system] no problem. where to and from, and what day do you want to leave? [user] i'm going from ny to san francisco and leaving on saturday this week. any ticket in economy class is fine. [system] what are your preferred airlines? [user] i usually fly delta airlines. [system] ok. when do you plan to fly back and what time? [user] i'll be flying back on march 13th, preferably around eleven in the morning. [system] ok, just to confirm, you'd like to book 1 round-trip ticket in economy with delta airlines from new york to san francisco, flying out tomorrow at 2:30 pm and returning on march 13th at 11 am. [user] no, actually, can you change the time to 14:00 for the return flight? [system] sure, just to confirm, your return flight will be at 2 pm in economy. [user] oh also, can you change the return date to the 12th? [system] sure, just to confirm, your return flight will be on march 12th at 2 pm. is that right? [user] yes, that's perfect. which airport am i flying to and is the ticket refundable?
State: [state] inbound_departure_time=14:00 airlines=e destination_city=san francisco seating_class=a return_date=march 12th outbound_departure_time=14:30 passengers=d origin_city=ny departure_date=saturday this week 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] passengers=d of possible values a) 3 b) 2 c) 4 d) 1 seating_class=dontcare of possible values a) premium economy b) economy c) business d) first class outbound_departure_time=3:10 pm destination_city=sd return_date=9th of this month refundable=b of possible values a) false b) true inbound_departure_time=8:25 pm departure_date=6th of this month airlines=e of possible values a) alaska airlines b) delta airlines c) american airlines d) british airways e) southwest airlines f) united airlines g) air canada h) air france origin_city=las vegas [context] [user] i'll be going on a trip soon. can you book flight tickets for me? i'm hoping to leave around 14:30. [system] no problem. where to and from, and what day do you want to leave? [user] i'm going from ny to san francisco and leaving on saturday this week. any ticket in economy class is fine. [system] what are your preferred airlines? [user] i usually fly delta airlines. [system] ok. when do you plan to fly back and what time? [user] i'll be flying back on march 13th, preferably around eleven in the morning. [system] ok, just to confirm, you'd like to book 1 round-trip ticket in economy with delta airlines from new york to san francisco, flying out tomorrow at 2:30 pm and returning on march 13th at 11 am. [user] no, actually, can you change the time to 14:00 for the return flight? [system] sure, just to confirm, your return flight will be at 2 pm in economy. [user] oh also, can you change the return date to the 12th? [system] sure, just to confirm, your return flight will be on march 12th at 2 pm. is that right? [user] yes, that's perfect. which airport am i flying to and is the ticket refundable? [system] sorry, it looks like there's some kind of error and i'm not able to book that ticket. can i reserve something else for you? [user] i need to make that reservation. my plans might change, though, so the tickets need to be refundable.
State: [state] passengers=d seating_class=b outbound_departure_time=14:30 destination_city=san francisco return_date=march 12th refundable=b inbound_departure_time=14:00 departure_date=saturday this week airlines=b origin_city=ny

[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 seating_class=dontcare of possible values a) business b) first class c) economy d) premium economy outbound_departure_time=3:10 pm inbound_departure_time=8:25 pm passengers=a of possible values a) 1 b) 2 c) 3 d) 4 airlines=d of possible values a) air canada b) air france c) united airlines d) southwest airlines e) british airways f) delta airlines g) alaska airlines h) american airlines destination_city=sd departure_date=6th of this month refundable=b of possible values a) false b) true origin_city=las vegas [context] [user] i'll be going on a trip soon. can you book flight tickets for me? i'm hoping to leave around 14:30. [system] no problem. where to and from, and what day do you want to leave? [user] i'm going from ny to san francisco and leaving on saturday this week. any ticket in economy class is fine. [system] what are your preferred airlines? [user] i usually fly delta airlines. [system] ok. when do you plan to fly back and what time? [user] i'll be flying back on march 13th, preferably around eleven in the morning. [system] ok, just to confirm, you'd like to book 1 round-trip ticket in economy with delta airlines from new york to san francisco, flying out tomorrow at 2:30 pm and returning on march 13th at 11 am. [user] no, actually, can you change the time to 14:00 for the return flight? [system] sure, just to confirm, your return flight will be at 2 pm in economy. [user] oh also, can you change the return date to the 12th? [system] sure, just to confirm, your return flight will be on march 12th at 2 pm. is that right? [user] yes, that's perfect. which airport am i flying to and is the ticket refundable? [system] sorry, it looks like there's some kind of error and i'm not able to book that ticket. can i reserve something else for you? [user] i need to make that reservation. my plans might change, though, so the tickets need to be refundable. [system] ok, i'll try again. just to confirm, i'm booking 1 round-trip ticket in economy with delta airlines from new york to san francisco, leaving tomorrow at 2:30 pm and returning on march 12th at 2 pm. is that right? [user] yes, that's perfect.
State: [state] return_date=march 12th seating_class=c outbound_departure_time=14:30 inbound_departure_time=14:00 passengers=a airlines=f destination_city=san francisco departure_date=saturday this week refundable=b origin_city=ny

[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] passengers=d of possible values a) 3 b) 4 c) 2 d) 1 destination_city=sd departure_date=6th of this month return_date=9th of this month airlines=e of possible values a) american airlines b) alaska airlines c) united airlines d) air france e) southwest airlines f) air canada g) british airways h) delta airlines seating_class=dontcare of possible values a) premium economy b) first class c) business d) economy 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 [context] [user] i'll be going on a trip soon. can you book flight tickets for me? i'm hoping to leave around 14:30. [system] no problem. where to and from, and what day do you want to leave? [user] i'm going from ny to san francisco and leaving on saturday this week. any ticket in economy class is fine. [system] what are your preferred airlines? [user] i usually fly delta airlines. [system] ok. when do you plan to fly back and what time? [user] i'll be flying back on march 13th, preferably around eleven in the morning. [system] ok, just to confirm, you'd like to book 1 round-trip ticket in economy with delta airlines from new york to san francisco, flying out tomorrow at 2:30 pm and returning on march 13th at 11 am. [user] no, actually, can you change the time to 14:00 for the return flight? [system] sure, just to confirm, your return flight will be at 2 pm in economy. [user] oh also, can you change the return date to the 12th? [system] sure, just to confirm, your return flight will be on march 12th at 2 pm. is that right? [user] yes, that's perfect. which airport am i flying to and is the ticket refundable? [system] sorry, it looks like there's some kind of error and i'm not able to book that ticket. can i reserve something else for you? [user] i need to make that reservation. my plans might change, though, so the tickets need to be refundable. [system] ok, i'll try again. just to confirm, i'm booking 1 round-trip ticket in economy with delta airlines from new york to san francisco, leaving tomorrow at 2:30 pm and returning on march 12th at 2 pm. is that right? [user] yes, that's perfect. [system] sorry, i'm getting an error again and can't make the reservation. is there something else you'd want? [user] no, forget about it. thanks for your help anyways.
State: [state] passengers=d destination_city=san francisco departure_date=saturday this week return_date=march 12th airlines=h seating_class=d outbound_departure_time=14:30 inbound_departure_time=14:00 origin_city=ny refundable=b