[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=b of possible values a) false b) true outbound_departure_time=3:10 pm destination_city=sd airlines=h of possible values a) alaska airlines b) air france c) united airlines d) air canada e) american airlines f) delta airlines g) british airways h) southwest airlines seating_class=dontcare of possible values a) premium economy b) economy c) business d) first class return_date=9th of this month departure_date=6th of this month inbound_departure_time=8:25 pm passengers=d of possible values a) 4 b) 3 c) 2 d) 1 origin_city=las vegas [context] [user] i am in a mood for holiday and want you to buy me a oneway flight ticket from vancouver.
State: [state] refundable=none outbound_departure_time=none destination_city=none airlines=none seating_class=none return_date=none departure_date=none inbound_departure_time=none passengers=none origin_city=vancouver

[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) 4 b) 2 c) 3 d) 1 inbound_departure_time=8:25 pm origin_city=las vegas seating_class=dontcare of possible values a) premium economy b) economy c) first class d) business outbound_departure_time=3:10 pm airlines=d of possible values a) united airlines b) alaska airlines c) american airlines d) southwest airlines e) air canada f) british airways g) delta airlines h) air france departure_date=6th of this month return_date=9th of this month destination_city=sd refundable=a of possible values a) true b) false [context] [user] i am in a mood for holiday and want you to buy me a oneway flight ticket from vancouver. [system] would you tell me about the airlines you prefer, like alaska airlines, air canada or any other airlines? also when are you leaving and where do you want to go? [user] we are three people and we leave on monday next week. i would choose air canada and i am going to vegas.
State: [state] passengers=c inbound_departure_time=none origin_city=vancouver seating_class=none outbound_departure_time=none airlines=e departure_date=monday next week return_date=none destination_city=vegas 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] destination_city=sd passengers=c of possible values a) 4 b) 3 c) 1 d) 2 airlines=c of possible values a) alaska airlines b) united airlines c) southwest airlines d) american airlines e) air canada f) british airways g) delta airlines h) air france departure_date=6th of this month refundable=b of possible values a) false b) true inbound_departure_time=8:25 pm return_date=9th of this month seating_class=dontcare of possible values a) business b) economy c) premium economy d) first class origin_city=las vegas outbound_departure_time=3:10 pm [context] [user] i am in a mood for holiday and want you to buy me a oneway flight ticket from vancouver. [system] would you tell me about the airlines you prefer, like alaska airlines, air canada or any other airlines? also when are you leaving and where do you want to go? [user] we are three people and we leave on monday next week. i would choose air canada and i am going to vegas. [system] help me verify these details. you are taking a flight from vancouver to las vegas. you want to fly with air canada and the date of departure is next monday. you will be flying economy and the number of passengers will be 3. [user] no i want to go to philadelphia instead.
State: [state] destination_city=philadelphia passengers=b airlines=e departure_date=monday next week refundable=none inbound_departure_time=none return_date=none seating_class=none origin_city=vancouver outbound_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] origin_city=las vegas passengers=c of possible values a) 4 b) 3 c) 1 d) 2 inbound_departure_time=8:25 pm airlines=f of possible values a) united airlines b) alaska airlines c) delta airlines d) british airways e) air france f) southwest airlines g) american airlines h) air canada refundable=a of possible values a) true b) false departure_date=6th of this month return_date=9th of this month seating_class=dontcare of possible values a) business b) economy c) premium economy d) first class outbound_departure_time=3:10 pm destination_city=sd [context] [user] i am in a mood for holiday and want you to buy me a oneway flight ticket from vancouver. [system] would you tell me about the airlines you prefer, like alaska airlines, air canada or any other airlines? also when are you leaving and where do you want to go? [user] we are three people and we leave on monday next week. i would choose air canada and i am going to vegas. [system] help me verify these details. you are taking a flight from vancouver to las vegas. you want to fly with air canada and the date of departure is next monday. you will be flying economy and the number of passengers will be 3. [user] no i want to go to philadelphia instead. [system] ok. so you want a flight to philadelphia with air canada? [user] that is right. what airport is this flight be departing from?
State: [state] origin_city=vancouver passengers=b inbound_departure_time=none airlines=h refundable=none departure_date=monday next week return_date=none seating_class=b outbound_departure_time=none destination_city=philadelphia

[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=b of possible values a) false b) true outbound_departure_time=3:10 pm airlines=e of possible values a) delta airlines b) united airlines c) american airlines d) alaska airlines e) southwest airlines f) air canada g) air france h) british airways return_date=9th of this month origin_city=las vegas inbound_departure_time=8:25 pm passengers=b of possible values a) 3 b) 1 c) 4 d) 2 departure_date=6th of this month seating_class=dontcare of possible values a) economy b) business c) premium economy d) first class destination_city=sd [context] [user] i am in a mood for holiday and want you to buy me a oneway flight ticket from vancouver. [system] would you tell me about the airlines you prefer, like alaska airlines, air canada or any other airlines? also when are you leaving and where do you want to go? [user] we are three people and we leave on monday next week. i would choose air canada and i am going to vegas. [system] help me verify these details. you are taking a flight from vancouver to las vegas. you want to fly with air canada and the date of departure is next monday. you will be flying economy and the number of passengers will be 3. [user] no i want to go to philadelphia instead. [system] ok. so you want a flight to philadelphia with air canada? [user] that is right. what airport is this flight be departing from? [system] i am so sorry that i couldn't book your ticket. is there anything else i can help you with? [user] no. thank you.
State: [state] refundable=none outbound_departure_time=none airlines=f return_date=none origin_city=vancouver inbound_departure_time=none passengers=a departure_date=monday next week seating_class=a destination_city=philadelphia