[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 passengers=a of possible values a) 1 b) 2 c) 3 d) 4 destination_city=sd return_date=9th of this month seating_class=dontcare of possible values a) economy b) premium economy c) first class d) business departure_date=6th of this month refundable=a of possible values a) true b) false airlines=f of possible values a) british airways b) alaska airlines c) american airlines d) united airlines e) air france f) southwest airlines g) air canada h) delta airlines [context] [user] can you buy flight tickets for a short trip on 11th of this month?
State: [state] origin_city=none inbound_departure_time=none outbound_departure_time=none passengers=none destination_city=none return_date=11th of this month seating_class=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] destination_city=sd airlines=g of possible values a) british airways b) united airlines c) alaska airlines d) american airlines e) delta airlines f) air france g) southwest airlines h) air canada passengers=a of possible values a) 1 b) 2 c) 3 d) 4 refundable=a of possible values a) true b) false departure_date=6th of this month origin_city=las vegas seating_class=dontcare of possible values a) premium economy b) economy c) business d) first class outbound_departure_time=3:10 pm inbound_departure_time=8:25 pm return_date=9th of this month [context] [user] can you buy flight tickets for a short trip on 11th of this month? [system] what time do you want to leave? do you have preferred airlines? when you want the return flight? [user] i prefer united airlines. my onward trip in morning 6:45 and return flight around quarter to 8 in the evening.
State: [state] destination_city=none airlines=b passengers=none refundable=none departure_date=none origin_city=none seating_class=none outbound_departure_time=morning 6:45 inbound_departure_time=quarter to 8 in the evening return_date=11th of this month

[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 outbound_departure_time=3:10 pm refundable=b of possible values a) false b) true origin_city=las vegas passengers=b of possible values a) 4 b) 1 c) 3 d) 2 airlines=b of possible values a) air canada b) southwest airlines c) air france d) delta airlines e) american airlines f) alaska airlines g) british airways h) united airlines destination_city=sd inbound_departure_time=8:25 pm seating_class=dontcare of possible values a) business b) first class c) economy d) premium economy departure_date=6th of this month [context] [user] can you buy flight tickets for a short trip on 11th of this month? [system] what time do you want to leave? do you have preferred airlines? when you want the return flight? [user] i prefer united airlines. my onward trip in morning 6:45 and return flight around quarter to 8 in the evening. [system] where will you be leaving from? where is your visit? when you plan to leave? [user] i am leaving to chi-town on 6th of this month and leaving from atlanta.
State: [state] return_date=11th of this month outbound_departure_time=morning 6:45 refundable=none origin_city=atlanta passengers=none airlines=h destination_city=chi-town inbound_departure_time=quarter to 8 in the evening seating_class=none departure_date=6th of this month

[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 inbound_departure_time=8:25 pm origin_city=las vegas departure_date=6th of this month seating_class=dontcare of possible values a) premium economy b) business c) economy d) first class refundable=b of possible values a) false b) true passengers=b of possible values a) 3 b) 1 c) 2 d) 4 destination_city=sd outbound_departure_time=3:10 pm airlines=f of possible values a) air france b) alaska airlines c) delta airlines d) british airways e) american airlines f) southwest airlines g) air canada h) united airlines [context] [user] can you buy flight tickets for a short trip on 11th of this month? [system] what time do you want to leave? do you have preferred airlines? when you want the return flight? [user] i prefer united airlines. my onward trip in morning 6:45 and return flight around quarter to 8 in the evening. [system] where will you be leaving from? where is your visit? when you plan to leave? [user] i am leaving to chi-town on 6th of this month and leaving from atlanta. [system] please confirm. united airlines from atlanta to chicago on next wednesday at 6:45 am and the return on march 11th at 7:45 pm for 1 passenger in economy class. [user] yes. is the ticket refundable? how much does it cost?
State: [state] return_date=11th of this month inbound_departure_time=7:45 pm origin_city=atlanta departure_date=6th of this month seating_class=c refundable=none passengers=b destination_city=chi-town outbound_departure_time=6:45 am airlines=h

[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 seating_class=dontcare of possible values a) first class b) premium economy c) economy d) business origin_city=las vegas outbound_departure_time=3:10 pm passengers=b of possible values a) 3 b) 1 c) 2 d) 4 airlines=g of possible values a) british airways b) united airlines c) alaska airlines d) air canada e) air france f) delta airlines g) southwest airlines h) american airlines destination_city=sd refundable=b of possible values a) false b) true departure_date=6th of this month return_date=9th of this month [context] [user] can you buy flight tickets for a short trip on 11th of this month? [system] what time do you want to leave? do you have preferred airlines? when you want the return flight? [user] i prefer united airlines. my onward trip in morning 6:45 and return flight around quarter to 8 in the evening. [system] where will you be leaving from? where is your visit? when you plan to leave? [user] i am leaving to chi-town on 6th of this month and leaving from atlanta. [system] please confirm. united airlines from atlanta to chicago on next wednesday at 6:45 am and the return on march 11th at 7:45 pm for 1 passenger in economy class. [user] yes. is the ticket refundable? how much does it cost? [system] sorry i couldn't book your ticket. shall i help you with anything else? [user] i want to make the reservation leaving from seattle, wa
State: [state] inbound_departure_time=7:45 pm seating_class=c origin_city=seattle, wa outbound_departure_time=6:45 am passengers=b airlines=b destination_city=chi-town refundable=none departure_date=6th of this month return_date=11th of this month

[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 departure_date=6th of this month passengers=a of possible values a) 1 b) 3 c) 4 d) 2 seating_class=dontcare of possible values a) business b) first class c) economy d) premium economy airlines=e of possible values a) american airlines b) delta airlines c) air france d) united airlines e) southwest airlines f) air canada g) british airways h) alaska airlines refundable=b of possible values a) false b) true inbound_departure_time=8:25 pm destination_city=sd origin_city=las vegas return_date=9th of this month [context] [user] can you buy flight tickets for a short trip on 11th of this month? [system] what time do you want to leave? do you have preferred airlines? when you want the return flight? [user] i prefer united airlines. my onward trip in morning 6:45 and return flight around quarter to 8 in the evening. [system] where will you be leaving from? where is your visit? when you plan to leave? [user] i am leaving to chi-town on 6th of this month and leaving from atlanta. [system] please confirm. united airlines from atlanta to chicago on next wednesday at 6:45 am and the return on march 11th at 7:45 pm for 1 passenger in economy class. [user] yes. is the ticket refundable? how much does it cost? [system] sorry i couldn't book your ticket. shall i help you with anything else? [user] i want to make the reservation leaving from seattle, wa [system] please confirm. united airlines from seattle to chicago on next wednesday at 6:45 am and the return on march 11th at 7:45 pm for 1 passenger in economy class. [user] no i am travelling to phoenix
State: [state] outbound_departure_time=6:45 am departure_date=6th of this month passengers=a seating_class=c airlines=d refundable=none inbound_departure_time=7:45 pm destination_city=phoenix origin_city=seattle return_date=11th of this month

[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=c of possible values a) 3 b) 4 c) 1 d) 2 destination_city=sd seating_class=dontcare of possible values a) economy b) first class c) business d) premium economy outbound_departure_time=3:10 pm refundable=b of possible values a) false b) true airlines=b of possible values a) united airlines b) southwest airlines c) alaska airlines d) air canada e) american airlines f) british airways g) delta airlines h) air france return_date=9th of this month departure_date=6th of this month inbound_departure_time=8:25 pm [context] [user] can you buy flight tickets for a short trip on 11th of this month? [system] what time do you want to leave? do you have preferred airlines? when you want the return flight? [user] i prefer united airlines. my onward trip in morning 6:45 and return flight around quarter to 8 in the evening. [system] where will you be leaving from? where is your visit? when you plan to leave? [user] i am leaving to chi-town on 6th of this month and leaving from atlanta. [system] please confirm. united airlines from atlanta to chicago on next wednesday at 6:45 am and the return on march 11th at 7:45 pm for 1 passenger in economy class. [user] yes. is the ticket refundable? how much does it cost? [system] sorry i couldn't book your ticket. shall i help you with anything else? [user] i want to make the reservation leaving from seattle, wa [system] please confirm. united airlines from seattle to chicago on next wednesday at 6:45 am and the return on march 11th at 7:45 pm for 1 passenger in economy class. [user] no i am travelling to phoenix [system] please confirm. the onward flight leaves to phoenix at 6:45 am. [user] yes. that works for me.
State: [state] origin_city=seattle passengers=c destination_city=phoenix seating_class=a outbound_departure_time=6:45 am refundable=none airlines=a return_date=11th of this month departure_date=6th of this month inbound_departure_time=7:45 pm

[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 destination_city=sd return_date=9th of this month airlines=d of possible values a) british airways b) air canada c) delta airlines d) southwest airlines e) united airlines f) american airlines g) alaska airlines h) air france departure_date=6th of this month inbound_departure_time=8:25 pm outbound_departure_time=3:10 pm refundable=a of possible values a) true b) false seating_class=dontcare of possible values a) first class b) business c) premium economy d) economy passengers=d of possible values a) 3 b) 4 c) 2 d) 1 [context] [user] can you buy flight tickets for a short trip on 11th of this month? [system] what time do you want to leave? do you have preferred airlines? when you want the return flight? [user] i prefer united airlines. my onward trip in morning 6:45 and return flight around quarter to 8 in the evening. [system] where will you be leaving from? where is your visit? when you plan to leave? [user] i am leaving to chi-town on 6th of this month and leaving from atlanta. [system] please confirm. united airlines from atlanta to chicago on next wednesday at 6:45 am and the return on march 11th at 7:45 pm for 1 passenger in economy class. [user] yes. is the ticket refundable? how much does it cost? [system] sorry i couldn't book your ticket. shall i help you with anything else? [user] i want to make the reservation leaving from seattle, wa [system] please confirm. united airlines from seattle to chicago on next wednesday at 6:45 am and the return on march 11th at 7:45 pm for 1 passenger in economy class. [user] no i am travelling to phoenix [system] please confirm. the onward flight leaves to phoenix at 6:45 am. [user] yes. that works for me. [system] sorry i couldn't book your ticket. shall i help you with anything else? [user] no. thanks for your help
State: [state] origin_city=seattle destination_city=phoenix return_date=11th of this month airlines=e departure_date=6th of this month inbound_departure_time=7:45 pm outbound_departure_time=6:45 am refundable=none seating_class=d passengers=d