[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 origin_city=las vegas passengers=b of possible values a) 4 b) 1 c) 2 d) 3 inbound_departure_time=8:25 pm seating_class=dontcare of possible values a) business b) economy c) first class d) premium economy airlines=f of possible values a) united airlines b) alaska airlines c) british airways d) air france e) delta airlines f) southwest airlines g) air canada h) american airlines outbound_departure_time=3:10 pm refundable=b of possible values a) false b) true departure_date=6th of this month [context] [user] hey you, can you get me a ticket to get out of washington? i'm tired of this town. i need something refundable though. my plans might change. i need options.
State: [state] return_date=none destination_city=none origin_city=washington passengers=none inbound_departure_time=none seating_class=none airlines=none outbound_departure_time=none refundable=b departure_date=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=h of possible values a) british airways b) united airlines c) air france d) delta airlines e) air canada f) alaska airlines g) american airlines h) southwest airlines seating_class=dontcare of possible values a) business b) premium economy c) first class d) economy return_date=9th of this month passengers=b of possible values a) 2 b) 1 c) 4 d) 3 inbound_departure_time=8:25 pm origin_city=las vegas refundable=b of possible values a) false b) true destination_city=sd outbound_departure_time=3:10 pm [context] [user] hey you, can you get me a ticket to get out of washington? i'm tired of this town. i need something refundable though. my plans might change. i need options. [system] when do you have plans to leave? do you have a city in mind for travel? [user] sure, i'm going to philly for a game on the 7th of march.
State: [state] departure_date=7th of march airlines=none seating_class=none return_date=none passengers=none inbound_departure_time=none origin_city=washington refundable=b destination_city=philly 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] outbound_departure_time=3:10 pm departure_date=6th of this month inbound_departure_time=8:25 pm origin_city=las vegas passengers=d of possible values a) 3 b) 2 c) 4 d) 1 seating_class=dontcare of possible values a) business b) economy c) first class d) premium economy destination_city=sd airlines=e of possible values a) air france b) american airlines c) air canada d) united airlines e) southwest airlines f) british airways g) delta airlines h) alaska airlines refundable=b of possible values a) false b) true return_date=9th of this month [context] [user] hey you, can you get me a ticket to get out of washington? i'm tired of this town. i need something refundable though. my plans might change. i need options. [system] when do you have plans to leave? do you have a city in mind for travel? [user] sure, i'm going to philly for a game on the 7th of march. [system] well, you can catch the american airlines flight at 5:10 am. it does have 1 stop. your price is $133. [user] i think that's a great option.
State: [state] outbound_departure_time=5:10 am departure_date=7th of march inbound_departure_time=none origin_city=washington passengers=none seating_class=none destination_city=philly airlines=b refundable=b return_date=none

[example] [user] i need help finding a bus to lax. [system] where would you be departing from? [user] i will be leaving from vegas. [system] what day do you plan on leaving? [user] my departure date is the 3rd of this month. i need 3 tickets and prefer economy tickets. [system] i have a bus that leaves at 11:50 am that has economy tickets for $33 each. [user] that one sounds perfect. [slots] group_size=c of possible values a) 1 b) 2 c) 3 d) 5 e) 4 origin=vegas departure_date=3rd of this month destination=lax fare_type=a of possible values a) economy b) flexible c) economy extra departure_time=11:50 am [context] [user] hey you, can you get me a ticket to get out of washington? i'm tired of this town. i need something refundable though. my plans might change. i need options. [system] when do you have plans to leave? do you have a city in mind for travel? [user] sure, i'm going to philly for a game on the 7th of march. [system] well, you can catch the american airlines flight at 5:10 am. it does have 1 stop. your price is $133. [user] i think that's a great option. [system] how about tickets for you? [user] maybe later. it's for four people. maybe economy extra tickets. i'm taking off on teh 4th of this month.
State: [state] group_size=e origin=washington departure_date=4th of this month destination=philly fare_type=c 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] destination_city=sd departure_date=6th of this month refundable=a of possible values a) true b) false airlines=d of possible values a) delta airlines b) air france c) alaska airlines d) southwest airlines e) british airways f) american airlines g) united airlines h) air canada origin_city=las vegas return_date=9th of this month outbound_departure_time=3:10 pm seating_class=dontcare of possible values a) business b) economy c) first class d) premium economy passengers=b of possible values a) 4 b) 1 c) 3 d) 2 inbound_departure_time=8:25 pm [context] [user] hey you, can you get me a ticket to get out of washington? i'm tired of this town. i need something refundable though. my plans might change. i need options. [system] when do you have plans to leave? do you have a city in mind for travel? [user] sure, i'm going to philly for a game on the 7th of march. [system] well, you can catch the american airlines flight at 5:10 am. it does have 1 stop. your price is $133. [user] i think that's a great option. [system] how about tickets for you? [user] maybe later. it's for four people. maybe economy extra tickets. i'm taking off on teh 4th of this month.
State: [state] destination_city=philly departure_date=7th of march refundable=a airlines=f origin_city=washington return_date=none outbound_departure_time=5:10 am seating_class=none passengers=none inbound_departure_time=none

[example] [user] i need help finding a bus to lax. [system] where would you be departing from? [user] i will be leaving from vegas. [system] what day do you plan on leaving? [user] my departure date is the 3rd of this month. i need 3 tickets and prefer economy tickets. [system] i have a bus that leaves at 11:50 am that has economy tickets for $33 each. [user] that one sounds perfect. [slots] departure_date=3rd of this month fare_type=b of possible values a) flexible b) economy c) economy extra departure_time=11:50 am destination=lax group_size=a of possible values a) 3 b) 1 c) 4 d) 2 e) 5 origin=vegas [context] [user] hey you, can you get me a ticket to get out of washington? i'm tired of this town. i need something refundable though. my plans might change. i need options. [system] when do you have plans to leave? do you have a city in mind for travel? [user] sure, i'm going to philly for a game on the 7th of march. [system] well, you can catch the american airlines flight at 5:10 am. it does have 1 stop. your price is $133. [user] i think that's a great option. [system] how about tickets for you? [user] maybe later. it's for four people. maybe economy extra tickets. i'm taking off on teh 4th of this month. [system] well, there's a bus with economy extra tickets that leaves at 7:10 am. it costs $38. [user] that's so early. isn't there a better option. my hubby will be so grouchy so early.
State: [state] departure_date=4th of this month fare_type=c departure_time=none destination=philly group_size=c origin=washington

[example] [user] i need help finding a bus to lax. [system] where would you be departing from? [user] i will be leaving from vegas. [system] what day do you plan on leaving? [user] my departure date is the 3rd of this month. i need 3 tickets and prefer economy tickets. [system] i have a bus that leaves at 11:50 am that has economy tickets for $33 each. [user] that one sounds perfect. [slots] destination=lax origin=vegas fare_type=b of possible values a) economy extra b) economy c) flexible departure_date=3rd of this month departure_time=11:50 am group_size=c of possible values a) 4 b) 5 c) 3 d) 2 e) 1 [context] [user] hey you, can you get me a ticket to get out of washington? i'm tired of this town. i need something refundable though. my plans might change. i need options. [system] when do you have plans to leave? do you have a city in mind for travel? [user] sure, i'm going to philly for a game on the 7th of march. [system] well, you can catch the american airlines flight at 5:10 am. it does have 1 stop. your price is $133. [user] i think that's a great option. [system] how about tickets for you? [user] maybe later. it's for four people. maybe economy extra tickets. i'm taking off on teh 4th of this month. [system] well, there's a bus with economy extra tickets that leaves at 7:10 am. it costs $38. [user] that's so early. isn't there a better option. my hubby will be so grouchy so early. [system] well, what about a 7:50 am ticket. it will cost $42. it is economy extra. [user] what about trying flexible tickets for three people? can you accomodate me?
State: [state] destination=philly origin=washington fare_type=c departure_date=4th of this month departure_time=none group_size=c

[example] [user] i need help finding a bus to lax. [system] where would you be departing from? [user] i will be leaving from vegas. [system] what day do you plan on leaving? [user] my departure date is the 3rd of this month. i need 3 tickets and prefer economy tickets. [system] i have a bus that leaves at 11:50 am that has economy tickets for $33 each. [user] that one sounds perfect. [slots] departure_time=11:50 am group_size=d of possible values a) 4 b) 5 c) 2 d) 3 e) 1 destination=lax departure_date=3rd of this month fare_type=c of possible values a) economy extra b) flexible c) economy origin=vegas [context] [user] hey you, can you get me a ticket to get out of washington? i'm tired of this town. i need something refundable though. my plans might change. i need options. [system] when do you have plans to leave? do you have a city in mind for travel? [user] sure, i'm going to philly for a game on the 7th of march. [system] well, you can catch the american airlines flight at 5:10 am. it does have 1 stop. your price is $133. [user] i think that's a great option. [system] how about tickets for you? [user] maybe later. it's for four people. maybe economy extra tickets. i'm taking off on teh 4th of this month. [system] well, there's a bus with economy extra tickets that leaves at 7:10 am. it costs $38. [user] that's so early. isn't there a better option. my hubby will be so grouchy so early. [system] well, what about a 7:50 am ticket. it will cost $42. it is economy extra. [user] what about trying flexible tickets for three people? can you accomodate me? [system] well, how about 8:40 am for $46. that's a flexible type ticket. [user] fine, can you book the flight you found now?
State: [state] departure_time=8:40 am group_size=d destination=philly departure_date=4th of this month fare_type=b origin=washington

[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) 2 c) 4 d) 3 refundable=b of possible values a) false b) true return_date=9th of this month seating_class=dontcare of possible values a) business b) premium economy c) first class d) economy inbound_departure_time=8:25 pm departure_date=6th of this month origin_city=las vegas outbound_departure_time=3:10 pm airlines=f of possible values a) air canada b) alaska airlines c) united airlines d) delta airlines e) american airlines f) southwest airlines g) british airways h) air france destination_city=sd [context] [user] hey you, can you get me a ticket to get out of washington? i'm tired of this town. i need something refundable though. my plans might change. i need options. [system] when do you have plans to leave? do you have a city in mind for travel? [user] sure, i'm going to philly for a game on the 7th of march. [system] well, you can catch the american airlines flight at 5:10 am. it does have 1 stop. your price is $133. [user] i think that's a great option. [system] how about tickets for you? [user] maybe later. it's for four people. maybe economy extra tickets. i'm taking off on teh 4th of this month. [system] well, there's a bus with economy extra tickets that leaves at 7:10 am. it costs $38. [user] that's so early. isn't there a better option. my hubby will be so grouchy so early. [system] well, what about a 7:50 am ticket. it will cost $42. it is economy extra. [user] what about trying flexible tickets for three people? can you accomodate me? [system] well, how about 8:40 am for $46. that's a flexible type ticket. [user] fine, can you book the flight you found now?
State: [state] passengers=none refundable=b return_date=none seating_class=none inbound_departure_time=none departure_date=7th of march origin_city=washington outbound_departure_time=5:10 am airlines=e destination_city=philly

[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 seating_class=dontcare of possible values a) business b) first class c) economy d) premium economy airlines=a of possible values a) southwest airlines b) delta airlines c) united airlines d) air france e) alaska airlines f) air canada g) british airways h) american airlines outbound_departure_time=3:10 pm inbound_departure_time=8:25 pm passengers=b of possible values a) 2 b) 1 c) 3 d) 4 refundable=b of possible values a) false b) true destination_city=sd return_date=9th of this month departure_date=6th of this month [context] [user] hey you, can you get me a ticket to get out of washington? i'm tired of this town. i need something refundable though. my plans might change. i need options. [system] when do you have plans to leave? do you have a city in mind for travel? [user] sure, i'm going to philly for a game on the 7th of march. [system] well, you can catch the american airlines flight at 5:10 am. it does have 1 stop. your price is $133. [user] i think that's a great option. [system] how about tickets for you? [user] maybe later. it's for four people. maybe economy extra tickets. i'm taking off on teh 4th of this month. [system] well, there's a bus with economy extra tickets that leaves at 7:10 am. it costs $38. [user] that's so early. isn't there a better option. my hubby will be so grouchy so early. [system] well, what about a 7:50 am ticket. it will cost $42. it is economy extra. [user] what about trying flexible tickets for three people? can you accomodate me? [system] well, how about 8:40 am for $46. that's a flexible type ticket. [user] fine, can you book the flight you found now? [system] can do, to confirm: american airlines flight from washington to philadelphia for 1 on march 7th. seating is economy. [user] fine,that's perfect. where does this thing land?
State: [state] origin_city=washington seating_class=c airlines=h outbound_departure_time=5:10 am inbound_departure_time=none passengers=b refundable=b destination_city=philadelphia return_date=none departure_date=7th of march

[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 seating_class=dontcare of possible values a) business b) economy c) premium economy d) first class departure_date=6th of this month origin_city=las vegas refundable=a of possible values a) true b) false return_date=9th of this month inbound_departure_time=8:25 pm passengers=b of possible values a) 4 b) 1 c) 3 d) 2 destination_city=sd airlines=a of possible values a) southwest airlines b) united airlines c) american airlines d) alaska airlines e) air france f) british airways g) delta airlines h) air canada [context] [user] hey you, can you get me a ticket to get out of washington? i'm tired of this town. i need something refundable though. my plans might change. i need options. [system] when do you have plans to leave? do you have a city in mind for travel? [user] sure, i'm going to philly for a game on the 7th of march. [system] well, you can catch the american airlines flight at 5:10 am. it does have 1 stop. your price is $133. [user] i think that's a great option. [system] how about tickets for you? [user] maybe later. it's for four people. maybe economy extra tickets. i'm taking off on teh 4th of this month. [system] well, there's a bus with economy extra tickets that leaves at 7:10 am. it costs $38. [user] that's so early. isn't there a better option. my hubby will be so grouchy so early. [system] well, what about a 7:50 am ticket. it will cost $42. it is economy extra. [user] what about trying flexible tickets for three people? can you accomodate me? [system] well, how about 8:40 am for $46. that's a flexible type ticket. [user] fine, can you book the flight you found now? [system] can do, to confirm: american airlines flight from washington to philadelphia for 1 on march 7th. seating is economy. [user] fine,that's perfect. where does this thing land? [system] your 1 way seat is confirmed. you're going to phl international airport. [user] do you know what airport i depart from? when does it land?
State: [state] outbound_departure_time=5:10 am seating_class=b departure_date=7th of march origin_city=washington refundable=a return_date=none inbound_departure_time=none passengers=b destination_city=philadelphia 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=h of possible values a) delta airlines b) british airways c) united airlines d) alaska airlines e) american airlines f) air france g) air canada h) southwest airlines destination_city=sd outbound_departure_time=3:10 pm origin_city=las vegas passengers=b of possible values a) 4 b) 1 c) 3 d) 2 return_date=9th of this month seating_class=dontcare of possible values a) first class b) business c) economy d) premium economy departure_date=6th of this month inbound_departure_time=8:25 pm refundable=a of possible values a) true b) false [context] [user] hey you, can you get me a ticket to get out of washington? i'm tired of this town. i need something refundable though. my plans might change. i need options. [system] when do you have plans to leave? do you have a city in mind for travel? [user] sure, i'm going to philly for a game on the 7th of march. [system] well, you can catch the american airlines flight at 5:10 am. it does have 1 stop. your price is $133. [user] i think that's a great option. [system] how about tickets for you? [user] maybe later. it's for four people. maybe economy extra tickets. i'm taking off on teh 4th of this month. [system] well, there's a bus with economy extra tickets that leaves at 7:10 am. it costs $38. [user] that's so early. isn't there a better option. my hubby will be so grouchy so early. [system] well, what about a 7:50 am ticket. it will cost $42. it is economy extra. [user] what about trying flexible tickets for three people? can you accomodate me? [system] well, how about 8:40 am for $46. that's a flexible type ticket. [user] fine, can you book the flight you found now? [system] can do, to confirm: american airlines flight from washington to philadelphia for 1 on march 7th. seating is economy. [user] fine,that's perfect. where does this thing land? [system] your 1 way seat is confirmed. you're going to phl international airport. [user] do you know what airport i depart from? when does it land? [system] it should arrive around 8:46 am. it's a short flight. it departs from dulles international airport. [user] that is stellar.
State: [state] airlines=e destination_city=philadelphia outbound_departure_time=5:10 am origin_city=washington passengers=b return_date=none seating_class=c departure_date=7th of march inbound_departure_time=none refundable=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] passengers=b of possible values a) 3 b) 1 c) 4 d) 2 departure_date=6th of this month origin_city=las vegas inbound_departure_time=8:25 pm refundable=a of possible values a) true b) false destination_city=sd return_date=9th of this month seating_class=dontcare of possible values a) economy b) premium economy c) business d) first class outbound_departure_time=3:10 pm airlines=h of possible values a) american airlines b) delta airlines c) alaska airlines d) british airways e) air canada f) air france g) united airlines h) southwest airlines [context] [user] hey you, can you get me a ticket to get out of washington? i'm tired of this town. i need something refundable though. my plans might change. i need options. [system] when do you have plans to leave? do you have a city in mind for travel? [user] sure, i'm going to philly for a game on the 7th of march. [system] well, you can catch the american airlines flight at 5:10 am. it does have 1 stop. your price is $133. [user] i think that's a great option. [system] how about tickets for you? [user] maybe later. it's for four people. maybe economy extra tickets. i'm taking off on teh 4th of this month. [system] well, there's a bus with economy extra tickets that leaves at 7:10 am. it costs $38. [user] that's so early. isn't there a better option. my hubby will be so grouchy so early. [system] well, what about a 7:50 am ticket. it will cost $42. it is economy extra. [user] what about trying flexible tickets for three people? can you accomodate me? [system] well, how about 8:40 am for $46. that's a flexible type ticket. [user] fine, can you book the flight you found now? [system] can do, to confirm: american airlines flight from washington to philadelphia for 1 on march 7th. seating is economy. [user] fine,that's perfect. where does this thing land? [system] your 1 way seat is confirmed. you're going to phl international airport. [user] do you know what airport i depart from? when does it land? [system] it should arrive around 8:46 am. it's a short flight. it departs from dulles international airport. [user] that is stellar. [system] what shall i get now? do you want a return ticket? [user] no not now, that's up in the air.
State: [state] passengers=b departure_date=7th of march origin_city=washington inbound_departure_time=none refundable=a destination_city=philadelphia return_date=none seating_class=a outbound_departure_time=5:10 am airlines=a