[example] [user] i am looking for a flight from seattle that return on the 13th. [system] where are you planning to go? what date would you like to travel? [user] i am flying to sf on the 9th of this month and want one economy class ticket. [system] i found 3 flights for you. would you like to fly with delta airlines? the flight takes off at 6:10 am and returns 8 am. the ticket costs $131. [user] ok. [slots] origin=seattle airlines=b of possible values a) united airlines b) delta airlines c) alaska airlines d) british airways e) american airlines f) air france g) air canada h) southwest airlines seating_class=c of possible values a) business b) first class c) economy d) premium economy departure_date=9th of this month destination=sf return_date=the 13th passengers=c of possible values a) 4 b) 3 c) 1 d) 2 [context] [user] i need to get a flight that is only one way.
State: [state] origin=none airlines=none seating_class=none departure_date=none destination=none return_date=none passengers=none

[example] [user] i am looking for a flight from seattle that return on the 13th. [system] where are you planning to go? what date would you like to travel? [user] i am flying to sf on the 9th of this month and want one economy class ticket. [system] i found 3 flights for you. would you like to fly with delta airlines? the flight takes off at 6:10 am and returns 8 am. the ticket costs $131. [user] ok. [slots] airlines=c of possible values a) united airlines b) british airways c) delta airlines d) air canada e) alaska airlines f) southwest airlines g) american airlines h) air france return_date=the 13th origin=seattle destination=sf departure_date=9th of this month seating_class=a of possible values a) economy b) business c) first class d) premium economy passengers=b of possible values a) 2 b) 1 c) 3 d) 4 [context] [user] i need to get a flight that is only one way. [system] tell me the city you will be leaving out of and the city you are going to? [user] i'll be leaving from lax and going to las vegas, so check those flights.
State: [state] airlines=none return_date=none origin=lax destination=las vegas departure_date=none seating_class=none passengers=none

[example] [user] i am looking for a flight from seattle that return on the 13th. [system] where are you planning to go? what date would you like to travel? [user] i am flying to sf on the 9th of this month and want one economy class ticket. [system] i found 3 flights for you. would you like to fly with delta airlines? the flight takes off at 6:10 am and returns 8 am. the ticket costs $131. [user] ok. [slots] return_date=the 13th departure_date=9th of this month airlines=d of possible values a) air france b) american airlines c) southwest airlines d) delta airlines e) british airways f) air canada g) united airlines h) alaska airlines destination=sf seating_class=b of possible values a) business b) economy c) premium economy d) first class origin=seattle passengers=d of possible values a) 3 b) 2 c) 4 d) 1 [context] [user] i need to get a flight that is only one way. [system] tell me the city you will be leaving out of and the city you are going to? [user] i'll be leaving from lax and going to las vegas, so check those flights. [system] what is your preferred travel date? [user] friday next week is the date i'll be going.
State: [state] return_date=none departure_date=friday next week airlines=none destination=las vegas seating_class=none origin=lax passengers=none

[example] [user] i am looking for a flight from seattle that return on the 13th. [system] where are you planning to go? what date would you like to travel? [user] i am flying to sf on the 9th of this month and want one economy class ticket. [system] i found 3 flights for you. would you like to fly with delta airlines? the flight takes off at 6:10 am and returns 8 am. the ticket costs $131. [user] ok. [slots] passengers=d of possible values a) 2 b) 3 c) 4 d) 1 departure_date=9th of this month destination=sf airlines=c of possible values a) air canada b) southwest airlines c) delta airlines d) american airlines e) united airlines f) british airways g) air france h) alaska airlines seating_class=a of possible values a) economy b) first class c) business d) premium economy return_date=the 13th origin=seattle [context] [user] i need to get a flight that is only one way. [system] tell me the city you will be leaving out of and the city you are going to? [user] i'll be leaving from lax and going to las vegas, so check those flights. [system] what is your preferred travel date? [user] friday next week is the date i'll be going. [system] how about american airlines? they have a flight that will be leaving out at 8:25 pm and has 0 stops. the ticket will be $93. [user] what is the airport that is is leaving from?
State: [state] passengers=none departure_date=friday next week destination=las vegas airlines=none seating_class=none return_date=none origin=lax

[example] [user] i am looking for a flight from seattle that return on the 13th. [system] where are you planning to go? what date would you like to travel? [user] i am flying to sf on the 9th of this month and want one economy class ticket. [system] i found 3 flights for you. would you like to fly with delta airlines? the flight takes off at 6:10 am and returns 8 am. the ticket costs $131. [user] ok. [slots] destination=sf airlines=b of possible values a) british airways b) delta airlines c) southwest airlines d) united airlines e) alaska airlines f) air canada g) air france h) american airlines departure_date=9th of this month return_date=the 13th seating_class=d of possible values a) business b) premium economy c) first class d) economy passengers=c of possible values a) 3 b) 4 c) 1 d) 2 origin=seattle [context] [user] i need to get a flight that is only one way. [system] tell me the city you will be leaving out of and the city you are going to? [user] i'll be leaving from lax and going to las vegas, so check those flights. [system] what is your preferred travel date? [user] friday next week is the date i'll be going. [system] how about american airlines? they have a flight that will be leaving out at 8:25 pm and has 0 stops. the ticket will be $93. [user] what is the airport that is is leaving from? [system] it will depart from lax international airport. [user] that doesn't work for me, look for others. i will need four tickets.
State: [state] destination=las vegas airlines=none departure_date=friday next week return_date=none seating_class=none passengers=b origin=lax

[example] [user] i am looking for a flight from seattle that return on the 13th. [system] where are you planning to go? what date would you like to travel? [user] i am flying to sf on the 9th of this month and want one economy class ticket. [system] i found 3 flights for you. would you like to fly with delta airlines? the flight takes off at 6:10 am and returns 8 am. the ticket costs $131. [user] ok. [slots] passengers=a of possible values a) 1 b) 4 c) 3 d) 2 airlines=b of possible values a) southwest airlines b) delta airlines c) air canada d) american airlines e) british airways f) united airlines g) air france h) alaska airlines destination=sf seating_class=a of possible values a) economy b) first class c) business d) premium economy return_date=the 13th origin=seattle departure_date=9th of this month [context] [user] i need to get a flight that is only one way. [system] tell me the city you will be leaving out of and the city you are going to? [user] i'll be leaving from lax and going to las vegas, so check those flights. [system] what is your preferred travel date? [user] friday next week is the date i'll be going. [system] how about american airlines? they have a flight that will be leaving out at 8:25 pm and has 0 stops. the ticket will be $93. [user] what is the airport that is is leaving from? [system] it will depart from lax international airport. [user] that doesn't work for me, look for others. i will need four tickets. [system] what do you think about delta airlines? there is a flight with 0 stops and leaves at 10:15 pm. you can purchase a ticket for $88. [user] where will it arrive at? is it a flight that will be a redeye?
State: [state] passengers=b airlines=none destination=las vegas seating_class=none return_date=none origin=lax departure_date=friday next week

[example] [user] i am looking for a flight from seattle that return on the 13th. [system] where are you planning to go? what date would you like to travel? [user] i am flying to sf on the 9th of this month and want one economy class ticket. [system] i found 3 flights for you. would you like to fly with delta airlines? the flight takes off at 6:10 am and returns 8 am. the ticket costs $131. [user] ok. [slots] passengers=c of possible values a) 2 b) 3 c) 1 d) 4 airlines=f of possible values a) air france b) american airlines c) air canada d) british airways e) southwest airlines f) delta airlines g) alaska airlines h) united airlines departure_date=9th of this month destination=sf origin=seattle seating_class=c of possible values a) premium economy b) first class c) economy d) business return_date=the 13th [context] [user] i need to get a flight that is only one way. [system] tell me the city you will be leaving out of and the city you are going to? [user] i'll be leaving from lax and going to las vegas, so check those flights. [system] what is your preferred travel date? [user] friday next week is the date i'll be going. [system] how about american airlines? they have a flight that will be leaving out at 8:25 pm and has 0 stops. the ticket will be $93. [user] what is the airport that is is leaving from? [system] it will depart from lax international airport. [user] that doesn't work for me, look for others. i will need four tickets. [system] what do you think about delta airlines? there is a flight with 0 stops and leaves at 10:15 pm. you can purchase a ticket for $88. [user] where will it arrive at? is it a flight that will be a redeye? [system] no, it isn't traveling overnight. mccarran international airport is the flight. [user] sure. can you look for buses traveling there? i will be heading out on the 13th.
State: [state] passengers=d airlines=f departure_date=friday next week destination=las vegas origin=lax seating_class=none return_date=none

[example] [user] can you find me a bus to lax for 4 people? [system] what is the departure location and time? [user] the 1st of march from san francisco. [system] i found 9 buses for you. one departs at 8:40 am and costs $41. it has 0 transfers. [user] that is perfect. [slots] from_location=san francisco leaving_time=8:40 am to_location=lax travelers=d of possible values a) 5 b) 2 c) 3 d) 4 e) 1 leaving_date=1st of march [context] [user] i need to get a flight that is only one way. [system] tell me the city you will be leaving out of and the city you are going to? [user] i'll be leaving from lax and going to las vegas, so check those flights. [system] what is your preferred travel date? [user] friday next week is the date i'll be going. [system] how about american airlines? they have a flight that will be leaving out at 8:25 pm and has 0 stops. the ticket will be $93. [user] what is the airport that is is leaving from? [system] it will depart from lax international airport. [user] that doesn't work for me, look for others. i will need four tickets. [system] what do you think about delta airlines? there is a flight with 0 stops and leaves at 10:15 pm. you can purchase a ticket for $88. [user] where will it arrive at? is it a flight that will be a redeye? [system] no, it isn't traveling overnight. mccarran international airport is the flight. [user] sure. can you look for buses traveling there? i will be heading out on the 13th.
State: [state] from_location=lax leaving_time=none to_location=las vegas travelers=d leaving_date=the 13th

[example] [user] can you find me a bus to lax for 4 people? [system] what is the departure location and time? [user] the 1st of march from san francisco. [system] i found 9 buses for you. one departs at 8:40 am and costs $41. it has 0 transfers. [user] that is perfect. [slots] leaving_date=1st of march to_location=lax leaving_time=8:40 am travelers=d of possible values a) 1 b) 3 c) 2 d) 4 e) 5 from_location=san francisco [context] [user] i need to get a flight that is only one way. [system] tell me the city you will be leaving out of and the city you are going to? [user] i'll be leaving from lax and going to las vegas, so check those flights. [system] what is your preferred travel date? [user] friday next week is the date i'll be going. [system] how about american airlines? they have a flight that will be leaving out at 8:25 pm and has 0 stops. the ticket will be $93. [user] what is the airport that is is leaving from? [system] it will depart from lax international airport. [user] that doesn't work for me, look for others. i will need four tickets. [system] what do you think about delta airlines? there is a flight with 0 stops and leaves at 10:15 pm. you can purchase a ticket for $88. [user] where will it arrive at? is it a flight that will be a redeye? [system] no, it isn't traveling overnight. mccarran international airport is the flight. [user] sure. can you look for buses traveling there? i will be heading out on the 13th. [system] there is a departing bus at 7:40 am and has 0 transfers. you can get a ticket for $33. [user] look for other buses. i will be traveling on 12th of march.
State: [state] leaving_date=12th of march to_location=las vegas leaving_time=none travelers=d from_location=lax

[example] [user] can you find me a bus to lax for 4 people? [system] what is the departure location and time? [user] the 1st of march from san francisco. [system] i found 9 buses for you. one departs at 8:40 am and costs $41. it has 0 transfers. [user] that is perfect. [slots] leaving_time=8:40 am from_location=san francisco leaving_date=1st of march travelers=b of possible values a) 2 b) 4 c) 1 d) 5 e) 3 to_location=lax [context] [user] i need to get a flight that is only one way. [system] tell me the city you will be leaving out of and the city you are going to? [user] i'll be leaving from lax and going to las vegas, so check those flights. [system] what is your preferred travel date? [user] friday next week is the date i'll be going. [system] how about american airlines? they have a flight that will be leaving out at 8:25 pm and has 0 stops. the ticket will be $93. [user] what is the airport that is is leaving from? [system] it will depart from lax international airport. [user] that doesn't work for me, look for others. i will need four tickets. [system] what do you think about delta airlines? there is a flight with 0 stops and leaves at 10:15 pm. you can purchase a ticket for $88. [user] where will it arrive at? is it a flight that will be a redeye? [system] no, it isn't traveling overnight. mccarran international airport is the flight. [user] sure. can you look for buses traveling there? i will be heading out on the 13th. [system] there is a departing bus at 7:40 am and has 0 transfers. you can get a ticket for $33. [user] look for other buses. i will be traveling on 12th of march. [system] there's a bus leaving at 12:30 pm and has 0 transfers, with a ticket cost of $44. [user] that will work good.
State: [state] leaving_time=12:30 pm from_location=lax leaving_date=12th of march travelers=b to_location=las vegas

[example] [user] can you find me a bus to lax for 4 people? [system] what is the departure location and time? [user] the 1st of march from san francisco. [system] i found 9 buses for you. one departs at 8:40 am and costs $41. it has 0 transfers. [user] that is perfect. [slots] from_location=san francisco leaving_time=8:40 am leaving_date=1st of march to_location=lax travelers=c of possible values a) 1 b) 3 c) 4 d) 2 e) 5 [context] [user] i need to get a flight that is only one way. [system] tell me the city you will be leaving out of and the city you are going to? [user] i'll be leaving from lax and going to las vegas, so check those flights. [system] what is your preferred travel date? [user] friday next week is the date i'll be going. [system] how about american airlines? they have a flight that will be leaving out at 8:25 pm and has 0 stops. the ticket will be $93. [user] what is the airport that is is leaving from? [system] it will depart from lax international airport. [user] that doesn't work for me, look for others. i will need four tickets. [system] what do you think about delta airlines? there is a flight with 0 stops and leaves at 10:15 pm. you can purchase a ticket for $88. [user] where will it arrive at? is it a flight that will be a redeye? [system] no, it isn't traveling overnight. mccarran international airport is the flight. [user] sure. can you look for buses traveling there? i will be heading out on the 13th. [system] there is a departing bus at 7:40 am and has 0 transfers. you can get a ticket for $33. [user] look for other buses. i will be traveling on 12th of march. [system] there's a bus leaving at 12:30 pm and has 0 transfers, with a ticket cost of $44. [user] that will work good. [system] do you want to purchase some bus tickets for this one? [user] yeah, i want to book the tickets.
State: [state] from_location=lax leaving_time=12:30 pm leaving_date=12th of march to_location=las vegas travelers=c

[example] [user] can you find me a bus to lax for 4 people? [system] what is the departure location and time? [user] the 1st of march from san francisco. [system] i found 9 buses for you. one departs at 8:40 am and costs $41. it has 0 transfers. [user] that is perfect. [slots] to_location=lax travelers=c of possible values a) 1 b) 2 c) 4 d) 3 e) 5 leaving_time=8:40 am from_location=san francisco leaving_date=1st of march [context] [user] i need to get a flight that is only one way. [system] tell me the city you will be leaving out of and the city you are going to? [user] i'll be leaving from lax and going to las vegas, so check those flights. [system] what is your preferred travel date? [user] friday next week is the date i'll be going. [system] how about american airlines? they have a flight that will be leaving out at 8:25 pm and has 0 stops. the ticket will be $93. [user] what is the airport that is is leaving from? [system] it will depart from lax international airport. [user] that doesn't work for me, look for others. i will need four tickets. [system] what do you think about delta airlines? there is a flight with 0 stops and leaves at 10:15 pm. you can purchase a ticket for $88. [user] where will it arrive at? is it a flight that will be a redeye? [system] no, it isn't traveling overnight. mccarran international airport is the flight. [user] sure. can you look for buses traveling there? i will be heading out on the 13th. [system] there is a departing bus at 7:40 am and has 0 transfers. you can get a ticket for $33. [user] look for other buses. i will be traveling on 12th of march. [system] there's a bus leaving at 12:30 pm and has 0 transfers, with a ticket cost of $44. [user] that will work good. [system] do you want to purchase some bus tickets for this one? [user] yeah, i want to book the tickets. [system] please approve the upcoming details: you would like a bus ticket that is going from los angeles to las vegas. the bus will depart on march 12th at 12:30 pm and there will be 4 people. [user] yep, that sounds good.
State: [state] to_location=las vegas travelers=c leaving_time=12:30 pm from_location=lax leaving_date=12th of march

[example] [user] can you find me a bus to lax for 4 people? [system] what is the departure location and time? [user] the 1st of march from san francisco. [system] i found 9 buses for you. one departs at 8:40 am and costs $41. it has 0 transfers. [user] that is perfect. [slots] to_location=lax from_location=san francisco leaving_time=8:40 am travelers=a of possible values a) 4 b) 5 c) 3 d) 2 e) 1 leaving_date=1st of march [context] [user] i need to get a flight that is only one way. [system] tell me the city you will be leaving out of and the city you are going to? [user] i'll be leaving from lax and going to las vegas, so check those flights. [system] what is your preferred travel date? [user] friday next week is the date i'll be going. [system] how about american airlines? they have a flight that will be leaving out at 8:25 pm and has 0 stops. the ticket will be $93. [user] what is the airport that is is leaving from? [system] it will depart from lax international airport. [user] that doesn't work for me, look for others. i will need four tickets. [system] what do you think about delta airlines? there is a flight with 0 stops and leaves at 10:15 pm. you can purchase a ticket for $88. [user] where will it arrive at? is it a flight that will be a redeye? [system] no, it isn't traveling overnight. mccarran international airport is the flight. [user] sure. can you look for buses traveling there? i will be heading out on the 13th. [system] there is a departing bus at 7:40 am and has 0 transfers. you can get a ticket for $33. [user] look for other buses. i will be traveling on 12th of march. [system] there's a bus leaving at 12:30 pm and has 0 transfers, with a ticket cost of $44. [user] that will work good. [system] do you want to purchase some bus tickets for this one? [user] yeah, i want to book the tickets. [system] please approve the upcoming details: you would like a bus ticket that is going from los angeles to las vegas. the bus will depart on march 12th at 12:30 pm and there will be 4 people. [user] yep, that sounds good. [system] i have verified your ticket. [user] i really appreciate all of your help and i'm done.
State: [state] to_location=las vegas from_location=lax leaving_time=12:30 pm travelers=a leaving_date=12th of march