[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 passengers=c of possible values a) 2 b) 3 c) 1 d) 4 seating_class=a of possible values a) economy b) business c) first class d) premium economy return_date=the 13th destination=sf departure_date=9th of this month airlines=g of possible values a) british airways b) air france c) alaska airlines d) air canada e) american airlines f) southwest airlines g) delta airlines h) united airlines [context] [user] please find me a one-way economy class ticket on united airlines for tuesday next week.
State: [state] origin=none passengers=none seating_class=a return_date=none destination=none departure_date=tuesday next week airlines=h

[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) 2 d) 3 origin=seattle departure_date=9th of this month airlines=h of possible values a) air france b) air canada c) alaska airlines d) american airlines e) united airlines f) british airways g) southwest airlines h) delta airlines destination=sf return_date=the 13th seating_class=a of possible values a) economy b) first class c) business d) premium economy [context] [user] please find me a one-way economy class ticket on united airlines for tuesday next week. [system] what's your destination? [user] my destination is vancouver, bc.
State: [state] passengers=none origin=none departure_date=tuesday next week airlines=e destination=vancouver, bc return_date=none seating_class=a

[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=f of possible values a) air canada b) southwest airlines c) united airlines d) american airlines e) air france f) delta airlines g) british airways h) alaska airlines return_date=the 13th destination=sf origin=seattle departure_date=9th of this month seating_class=a of possible values a) economy b) premium economy c) first class d) business passengers=d of possible values a) 4 b) 3 c) 2 d) 1 [context] [user] please find me a one-way economy class ticket on united airlines for tuesday next week. [system] what's your destination? [user] my destination is vancouver, bc. [system] what's your departure city? [user] please search for flights from portland.
State: [state] airlines=c return_date=none destination=vancouver, bc origin=portland departure_date=tuesday next week seating_class=a 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 passengers=a of possible values a) 1 b) 3 c) 4 d) 2 origin=seattle seating_class=c of possible values a) business b) premium economy c) economy d) first class airlines=f of possible values a) air canada b) air france c) united airlines d) british airways e) alaska airlines f) delta airlines g) southwest airlines h) american airlines destination=sf departure_date=9th of this month [context] [user] please find me a one-way economy class ticket on united airlines for tuesday next week. [system] what's your destination? [user] my destination is vancouver, bc. [system] what's your departure city? [user] please search for flights from portland. [system] i found 1 united airlines flight with 1 stop, leaving at 10:35 am, at $252 per passenger. [user] which airport is the flight destined for?
State: [state] return_date=none passengers=none origin=portland seating_class=c airlines=c destination=vancouver, bc departure_date=tuesday 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] destination=sf departure_date=9th of this month airlines=g of possible values a) british airways b) american airlines c) air canada d) united airlines e) southwest airlines f) alaska airlines g) delta airlines h) air france origin=seattle return_date=the 13th seating_class=c of possible values a) first class b) premium economy c) economy d) business passengers=a of possible values a) 1 b) 2 c) 4 d) 3 [context] [user] please find me a one-way economy class ticket on united airlines for tuesday next week. [system] what's your destination? [user] my destination is vancouver, bc. [system] what's your departure city? [user] please search for flights from portland. [system] i found 1 united airlines flight with 1 stop, leaving at 10:35 am, at $252 per passenger. [user] which airport is the flight destined for? [system] the flight's destination is yvr international airport. [user] please find out whether it's an overnight flight. what number of passengers did you get for this?
State: [state] destination=vancouver, bc departure_date=tuesday next week airlines=d origin=portland return_date=none seating_class=c 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] departure_date=9th of this month destination=sf origin=seattle seating_class=b of possible values a) premium economy b) economy c) first class d) business return_date=the 13th passengers=a of possible values a) 1 b) 2 c) 3 d) 4 airlines=h of possible values a) united airlines b) air canada c) british airways d) alaska airlines e) air france f) southwest airlines g) american airlines h) delta airlines [context] [user] please find me a one-way economy class ticket on united airlines for tuesday next week. [system] what's your destination? [user] my destination is vancouver, bc. [system] what's your departure city? [user] please search for flights from portland. [system] i found 1 united airlines flight with 1 stop, leaving at 10:35 am, at $252 per passenger. [user] which airport is the flight destined for? [system] the flight's destination is yvr international airport. [user] please find out whether it's an overnight flight. what number of passengers did you get for this? [system] it's not a red-eye flight, and it's for 1 passenger. [user] okay, thanks. let's try something else. please help me find a bus going there.
State: [state] departure_date=tuesday next week destination=vancouver, bc origin=portland seating_class=b return_date=none passengers=none airlines=a

[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 travelers=c of possible values a) 2 b) 5 c) 4 d) 1 e) 3 from_location=san francisco to_location=lax leaving_time=8:40 am [context] [user] please find me a one-way economy class ticket on united airlines for tuesday next week. [system] what's your destination? [user] my destination is vancouver, bc. [system] what's your departure city? [user] please search for flights from portland. [system] i found 1 united airlines flight with 1 stop, leaving at 10:35 am, at $252 per passenger. [user] which airport is the flight destined for? [system] the flight's destination is yvr international airport. [user] please find out whether it's an overnight flight. what number of passengers did you get for this? [system] it's not a red-eye flight, and it's for 1 passenger. [user] okay, thanks. let's try something else. please help me find a bus going there.
State: [state] leaving_date=none travelers=none from_location=portland to_location=vancouver, bc leaving_time=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] travelers=b of possible values a) 1 b) 4 c) 5 d) 3 e) 2 leaving_date=1st of march leaving_time=8:40 am from_location=san francisco to_location=lax [context] [user] please find me a one-way economy class ticket on united airlines for tuesday next week. [system] what's your destination? [user] my destination is vancouver, bc. [system] what's your departure city? [user] please search for flights from portland. [system] i found 1 united airlines flight with 1 stop, leaving at 10:35 am, at $252 per passenger. [user] which airport is the flight destined for? [system] the flight's destination is yvr international airport. [user] please find out whether it's an overnight flight. what number of passengers did you get for this? [system] it's not a red-eye flight, and it's for 1 passenger. [user] okay, thanks. let's try something else. please help me find a bus going there. [system] will you be leaving on march 5th? [user] no, i intent to leave on the 11th.
State: [state] travelers=none leaving_date=the 11th leaving_time=none from_location=portland to_location=vancouver, bc

[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 leaving_date=1st of march travelers=e of possible values a) 2 b) 1 c) 5 d) 3 e) 4 [context] [user] please find me a one-way economy class ticket on united airlines for tuesday next week. [system] what's your destination? [user] my destination is vancouver, bc. [system] what's your departure city? [user] please search for flights from portland. [system] i found 1 united airlines flight with 1 stop, leaving at 10:35 am, at $252 per passenger. [user] which airport is the flight destined for? [system] the flight's destination is yvr international airport. [user] please find out whether it's an overnight flight. what number of passengers did you get for this? [system] it's not a red-eye flight, and it's for 1 passenger. [user] okay, thanks. let's try something else. please help me find a bus going there. [system] will you be leaving on march 5th? [user] no, i intent to leave on the 11th. [system] i found a bus with 0 transfers, leaving at 6:50 am and costing $39. [user] what's the origin bus station?
State: [state] to_location=vancouver, bc from_location=portland leaving_time=none leaving_date=the 11th travelers=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] leaving_time=8:40 am travelers=e of possible values a) 1 b) 3 c) 2 d) 5 e) 4 from_location=san francisco leaving_date=1st of march to_location=lax [context] [user] please find me a one-way economy class ticket on united airlines for tuesday next week. [system] what's your destination? [user] my destination is vancouver, bc. [system] what's your departure city? [user] please search for flights from portland. [system] i found 1 united airlines flight with 1 stop, leaving at 10:35 am, at $252 per passenger. [user] which airport is the flight destined for? [system] the flight's destination is yvr international airport. [user] please find out whether it's an overnight flight. what number of passengers did you get for this? [system] it's not a red-eye flight, and it's for 1 passenger. [user] okay, thanks. let's try something else. please help me find a bus going there. [system] will you be leaving on march 5th? [user] no, i intent to leave on the 11th. [system] i found a bus with 0 transfers, leaving at 6:50 am and costing $39. [user] what's the origin bus station? [system] the bus will leave from portland bus station. [user] what other bus options are there?
State: [state] leaving_time=none travelers=none from_location=portland leaving_date=the 11th to_location=vancouver, bc

[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 leaving_date=1st of march leaving_time=8:40 am travelers=d of possible values a) 3 b) 1 c) 5 d) 4 e) 2 from_location=san francisco [context] [user] please find me a one-way economy class ticket on united airlines for tuesday next week. [system] what's your destination? [user] my destination is vancouver, bc. [system] what's your departure city? [user] please search for flights from portland. [system] i found 1 united airlines flight with 1 stop, leaving at 10:35 am, at $252 per passenger. [user] which airport is the flight destined for? [system] the flight's destination is yvr international airport. [user] please find out whether it's an overnight flight. what number of passengers did you get for this? [system] it's not a red-eye flight, and it's for 1 passenger. [user] okay, thanks. let's try something else. please help me find a bus going there. [system] will you be leaving on march 5th? [user] no, i intent to leave on the 11th. [system] i found a bus with 0 transfers, leaving at 6:50 am and costing $39. [user] what's the origin bus station? [system] the bus will leave from portland bus station. [user] what other bus options are there? [system] there's an 8:10 am bus with 0 transfers, costing $36. [user] okay thanks, but there's been a change of plans. could you search for two tickets on a bus leaving this sunday?
State: [state] to_location=vancouver, bc leaving_date=this sunday leaving_time=none travelers=e from_location=portland

[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 leaving_date=1st of march travelers=a of possible values a) 4 b) 1 c) 5 d) 2 e) 3 leaving_time=8:40 am from_location=san francisco [context] [user] please find me a one-way economy class ticket on united airlines for tuesday next week. [system] what's your destination? [user] my destination is vancouver, bc. [system] what's your departure city? [user] please search for flights from portland. [system] i found 1 united airlines flight with 1 stop, leaving at 10:35 am, at $252 per passenger. [user] which airport is the flight destined for? [system] the flight's destination is yvr international airport. [user] please find out whether it's an overnight flight. what number of passengers did you get for this? [system] it's not a red-eye flight, and it's for 1 passenger. [user] okay, thanks. let's try something else. please help me find a bus going there. [system] will you be leaving on march 5th? [user] no, i intent to leave on the 11th. [system] i found a bus with 0 transfers, leaving at 6:50 am and costing $39. [user] what's the origin bus station? [system] the bus will leave from portland bus station. [user] what other bus options are there? [system] there's an 8:10 am bus with 0 transfers, costing $36. [user] okay thanks, but there's been a change of plans. could you search for two tickets on a bus leaving this sunday? [system] sure, no problem. how about the 10:20 am bus with 0 transfers, costing $36? [user] please find out the origin and destination bus stations.
State: [state] to_location=vancouver, bc leaving_date=this sunday travelers=d leaving_time=none from_location=portland

[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 travelers=b of possible values a) 3 b) 4 c) 1 d) 2 e) 5 from_location=san francisco to_location=lax leaving_time=8:40 am [context] [user] please find me a one-way economy class ticket on united airlines for tuesday next week. [system] what's your destination? [user] my destination is vancouver, bc. [system] what's your departure city? [user] please search for flights from portland. [system] i found 1 united airlines flight with 1 stop, leaving at 10:35 am, at $252 per passenger. [user] which airport is the flight destined for? [system] the flight's destination is yvr international airport. [user] please find out whether it's an overnight flight. what number of passengers did you get for this? [system] it's not a red-eye flight, and it's for 1 passenger. [user] okay, thanks. let's try something else. please help me find a bus going there. [system] will you be leaving on march 5th? [user] no, i intent to leave on the 11th. [system] i found a bus with 0 transfers, leaving at 6:50 am and costing $39. [user] what's the origin bus station? [system] the bus will leave from portland bus station. [user] what other bus options are there? [system] there's an 8:10 am bus with 0 transfers, costing $36. [user] okay thanks, but there's been a change of plans. could you search for two tickets on a bus leaving this sunday? [system] sure, no problem. how about the 10:20 am bus with 0 transfers, costing $36? [user] please find out the origin and destination bus stations. [system] the bus will leave from portland bus station and arrive at pacific central station. [user] i like the sound of that.
State: [state] leaving_date=this sunday travelers=d from_location=portland to_location=vancouver, bc leaving_time=10:20 am

[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=e of possible values a) 5 b) 1 c) 2 d) 3 e) 4 leaving_date=1st of march from_location=san francisco leaving_time=8:40 am [context] [user] please find me a one-way economy class ticket on united airlines for tuesday next week. [system] what's your destination? [user] my destination is vancouver, bc. [system] what's your departure city? [user] please search for flights from portland. [system] i found 1 united airlines flight with 1 stop, leaving at 10:35 am, at $252 per passenger. [user] which airport is the flight destined for? [system] the flight's destination is yvr international airport. [user] please find out whether it's an overnight flight. what number of passengers did you get for this? [system] it's not a red-eye flight, and it's for 1 passenger. [user] okay, thanks. let's try something else. please help me find a bus going there. [system] will you be leaving on march 5th? [user] no, i intent to leave on the 11th. [system] i found a bus with 0 transfers, leaving at 6:50 am and costing $39. [user] what's the origin bus station? [system] the bus will leave from portland bus station. [user] what other bus options are there? [system] there's an 8:10 am bus with 0 transfers, costing $36. [user] okay thanks, but there's been a change of plans. could you search for two tickets on a bus leaving this sunday? [system] sure, no problem. how about the 10:20 am bus with 0 transfers, costing $36? [user] please find out the origin and destination bus stations. [system] the bus will leave from portland bus station and arrive at pacific central station. [user] i like the sound of that. [system] would you like to purchase the bus tickets? [user] yes, please book the tickets.
State: [state] to_location=vancouver, bc travelers=c leaving_date=this sunday from_location=portland leaving_time=10:20 am

[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] travelers=e of possible values a) 3 b) 2 c) 1 d) 5 e) 4 from_location=san francisco to_location=lax leaving_date=1st of march leaving_time=8:40 am [context] [user] please find me a one-way economy class ticket on united airlines for tuesday next week. [system] what's your destination? [user] my destination is vancouver, bc. [system] what's your departure city? [user] please search for flights from portland. [system] i found 1 united airlines flight with 1 stop, leaving at 10:35 am, at $252 per passenger. [user] which airport is the flight destined for? [system] the flight's destination is yvr international airport. [user] please find out whether it's an overnight flight. what number of passengers did you get for this? [system] it's not a red-eye flight, and it's for 1 passenger. [user] okay, thanks. let's try something else. please help me find a bus going there. [system] will you be leaving on march 5th? [user] no, i intent to leave on the 11th. [system] i found a bus with 0 transfers, leaving at 6:50 am and costing $39. [user] what's the origin bus station? [system] the bus will leave from portland bus station. [user] what other bus options are there? [system] there's an 8:10 am bus with 0 transfers, costing $36. [user] okay thanks, but there's been a change of plans. could you search for two tickets on a bus leaving this sunday? [system] sure, no problem. how about the 10:20 am bus with 0 transfers, costing $36? [user] please find out the origin and destination bus stations. [system] the bus will leave from portland bus station and arrive at pacific central station. [user] i like the sound of that. [system] would you like to purchase the bus tickets? [user] yes, please book the tickets. [system] please confirm that you'd like to but 2 tickets for the 10:20 am, march 3rd bus from portland to vancouver. [user] that is correct.
State: [state] travelers=b from_location=portland to_location=vancouver leaving_date=march 3rd leaving_time=10:20 am

[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 leaving_date=1st of march from_location=san francisco travelers=e of possible values a) 2 b) 5 c) 1 d) 3 e) 4 leaving_time=8:40 am [context] [user] please find me a one-way economy class ticket on united airlines for tuesday next week. [system] what's your destination? [user] my destination is vancouver, bc. [system] what's your departure city? [user] please search for flights from portland. [system] i found 1 united airlines flight with 1 stop, leaving at 10:35 am, at $252 per passenger. [user] which airport is the flight destined for? [system] the flight's destination is yvr international airport. [user] please find out whether it's an overnight flight. what number of passengers did you get for this? [system] it's not a red-eye flight, and it's for 1 passenger. [user] okay, thanks. let's try something else. please help me find a bus going there. [system] will you be leaving on march 5th? [user] no, i intent to leave on the 11th. [system] i found a bus with 0 transfers, leaving at 6:50 am and costing $39. [user] what's the origin bus station? [system] the bus will leave from portland bus station. [user] what other bus options are there? [system] there's an 8:10 am bus with 0 transfers, costing $36. [user] okay thanks, but there's been a change of plans. could you search for two tickets on a bus leaving this sunday? [system] sure, no problem. how about the 10:20 am bus with 0 transfers, costing $36? [user] please find out the origin and destination bus stations. [system] the bus will leave from portland bus station and arrive at pacific central station. [user] i like the sound of that. [system] would you like to purchase the bus tickets? [user] yes, please book the tickets. [system] please confirm that you'd like to but 2 tickets for the 10:20 am, march 3rd bus from portland to vancouver. [user] that is correct. [system] i have successfully confirmed your tickets. [user] thank you very much. you've been very helpful.
State: [state] to_location=vancouver leaving_date=march 3rd from_location=portland travelers=a leaving_time=10:20 am

[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 travelers=c of possible values a) 2 b) 1 c) 4 d) 3 e) 5 to_location=lax leaving_date=1st of march [context] [user] please find me a one-way economy class ticket on united airlines for tuesday next week. [system] what's your destination? [user] my destination is vancouver, bc. [system] what's your departure city? [user] please search for flights from portland. [system] i found 1 united airlines flight with 1 stop, leaving at 10:35 am, at $252 per passenger. [user] which airport is the flight destined for? [system] the flight's destination is yvr international airport. [user] please find out whether it's an overnight flight. what number of passengers did you get for this? [system] it's not a red-eye flight, and it's for 1 passenger. [user] okay, thanks. let's try something else. please help me find a bus going there. [system] will you be leaving on march 5th? [user] no, i intent to leave on the 11th. [system] i found a bus with 0 transfers, leaving at 6:50 am and costing $39. [user] what's the origin bus station? [system] the bus will leave from portland bus station. [user] what other bus options are there? [system] there's an 8:10 am bus with 0 transfers, costing $36. [user] okay thanks, but there's been a change of plans. could you search for two tickets on a bus leaving this sunday? [system] sure, no problem. how about the 10:20 am bus with 0 transfers, costing $36? [user] please find out the origin and destination bus stations. [system] the bus will leave from portland bus station and arrive at pacific central station. [user] i like the sound of that. [system] would you like to purchase the bus tickets? [user] yes, please book the tickets. [system] please confirm that you'd like to but 2 tickets for the 10:20 am, march 3rd bus from portland to vancouver. [user] that is correct. [system] i have successfully confirmed your tickets. [user] thank you very much. you've been very helpful. [system] would you like my help with anything else? [user] no. thank you very much. you've been very helpful.
State: [state] leaving_time=10:20 am from_location=portland travelers=a to_location=vancouver leaving_date=march 3rd