[example] [user] i need to find a doctor for my earache. [system] where do you live? [user] i need a gp working in the san francisco area. [system] i have a general practitioner in san francisco at the arthur h coleman medical center: dickey jan v md. [user] that would do. [system] do you want to make an appointment? [user] yes please book it for the 8th of march around 15:30. [slots] doctor_name=arthur h coleman medical center: dickey jan v md city=san francisco appointment_date=8th of march appointment_time=15:30 type=e of possible values a) dermatologist b) ent specialist c) ophthalmologist d) gynecologist e) general practitioner [context] [user] find a general practitioner in santa rosa.
State: [state] doctor_name=none city=santa rosa appointment_date=none appointment_time=none type=e

[example] [user] i need to find a doctor for my earache. [system] where do you live? [user] i need a gp working in the san francisco area. [system] i have a general practitioner in san francisco at the arthur h coleman medical center: dickey jan v md. [user] that would do. [system] do you want to make an appointment? [user] yes please book it for the 8th of march around 15:30. [slots] type=c of possible values a) ophthalmologist b) gynecologist c) general practitioner d) dermatologist e) ent specialist appointment_date=8th of march city=san francisco doctor_name=arthur h coleman medical center: dickey jan v md appointment_time=15:30 [context] [user] find a general practitioner in santa rosa. [system] alchemy john md is a general practitioner in santa rosa. [user] number?
State: [state] type=c appointment_date=none city=santa rosa doctor_name=none appointment_time=none

[example] [user] i need to find a doctor for my earache. [system] where do you live? [user] i need a gp working in the san francisco area. [system] i have a general practitioner in san francisco at the arthur h coleman medical center: dickey jan v md. [user] that would do. [system] do you want to make an appointment? [user] yes please book it for the 8th of march around 15:30. [slots] type=d of possible values a) ophthalmologist b) gynecologist c) dermatologist d) general practitioner e) ent specialist city=san francisco doctor_name=arthur h coleman medical center: dickey jan v md appointment_time=15:30 appointment_date=8th of march [context] [user] find a general practitioner in santa rosa. [system] alchemy john md is a general practitioner in santa rosa. [user] number? [system] 707-576-7000. [user] who else?
State: [state] type=d city=santa rosa doctor_name=none appointment_time=none appointment_date=none

[example] [user] i need to find a doctor for my earache. [system] where do you live? [user] i need a gp working in the san francisco area. [system] i have a general practitioner in san francisco at the arthur h coleman medical center: dickey jan v md. [user] that would do. [system] do you want to make an appointment? [user] yes please book it for the 8th of march around 15:30. [slots] doctor_name=arthur h coleman medical center: dickey jan v md appointment_date=8th of march appointment_time=15:30 type=d of possible values a) ophthalmologist b) ent specialist c) dermatologist d) general practitioner e) gynecologist city=san francisco [context] [user] find a general practitioner in santa rosa. [system] alchemy john md is a general practitioner in santa rosa. [user] number? [system] 707-576-7000. [user] who else? [system] bastoni kelly a md is a general practitioner in santa rosa. [user] find a dermatologist in sf.
State: [state] doctor_name=none appointment_date=none appointment_time=none type=c city=sf

[example] [user] i need to find a doctor for my earache. [system] where do you live? [user] i need a gp working in the san francisco area. [system] i have a general practitioner in san francisco at the arthur h coleman medical center: dickey jan v md. [user] that would do. [system] do you want to make an appointment? [user] yes please book it for the 8th of march around 15:30. [slots] doctor_name=arthur h coleman medical center: dickey jan v md appointment_date=8th of march appointment_time=15:30 city=san francisco type=c of possible values a) ophthalmologist b) ent specialist c) general practitioner d) dermatologist e) gynecologist [context] [user] find a general practitioner in santa rosa. [system] alchemy john md is a general practitioner in santa rosa. [user] number? [system] 707-576-7000. [user] who else? [system] bastoni kelly a md is a general practitioner in santa rosa. [user] find a dermatologist in sf. [system] i found 10. anne han, m.d. is a dermatologist in san francisco. [user] good, set a time to visit.
State: [state] doctor_name=anne han, m.d. appointment_date=none appointment_time=none city=sf type=d

[example] [user] i need to find a doctor for my earache. [system] where do you live? [user] i need a gp working in the san francisco area. [system] i have a general practitioner in san francisco at the arthur h coleman medical center: dickey jan v md. [user] that would do. [system] do you want to make an appointment? [user] yes please book it for the 8th of march around 15:30. [slots] appointment_time=15:30 city=san francisco type=d of possible values a) dermatologist b) gynecologist c) ophthalmologist d) general practitioner e) ent specialist appointment_date=8th of march doctor_name=arthur h coleman medical center: dickey jan v md [context] [user] find a general practitioner in santa rosa. [system] alchemy john md is a general practitioner in santa rosa. [user] number? [system] 707-576-7000. [user] who else? [system] bastoni kelly a md is a general practitioner in santa rosa. [user] find a dermatologist in sf. [system] i found 10. anne han, m.d. is a dermatologist in san francisco. [user] good, set a time to visit. [system] what time and date? [user] thursday next week at half past 10 in the morning.
State: [state] appointment_time=half past 10 in the morning city=sf type=a appointment_date=thursday next week doctor_name=anne han, m.d.

[example] [user] i need to find a doctor for my earache. [system] where do you live? [user] i need a gp working in the san francisco area. [system] i have a general practitioner in san francisco at the arthur h coleman medical center: dickey jan v md. [user] that would do. [system] do you want to make an appointment? [user] yes please book it for the 8th of march around 15:30. [slots] city=san francisco type=b of possible values a) ent specialist b) general practitioner c) ophthalmologist d) dermatologist e) gynecologist doctor_name=arthur h coleman medical center: dickey jan v md appointment_date=8th of march appointment_time=15:30 [context] [user] find a general practitioner in santa rosa. [system] alchemy john md is a general practitioner in santa rosa. [user] number? [system] 707-576-7000. [user] who else? [system] bastoni kelly a md is a general practitioner in santa rosa. [user] find a dermatologist in sf. [system] i found 10. anne han, m.d. is a dermatologist in san francisco. [user] good, set a time to visit. [system] what time and date? [user] thursday next week at half past 10 in the morning. [system] please confirm: appointment with anne han, m.d. at 10:30 am on march 7th. [user] great. what's the address?
State: [state] city=sf type=d doctor_name=anne han, m.d. appointment_date=march 7th appointment_time=10:30 am

[example] [user] can you check my schedule on march 13th? [system] on march 13th, your schedule shows an open period of time between 12:30 pm and 2 pm. [user] that's great. thanks. [system] did you need to add an event to the calendar? [user] yes, can you please add the chris webby concert? the event is being held at 2367 shattuck avenue. [system] what time does it begin? [user] it starts at 12:30pm. [slots] event_location=2367 shattuck avenue event_time=12:30 pm event_name=chris webby concert event_date=march 13th [context] [user] find a general practitioner in santa rosa. [system] alchemy john md is a general practitioner in santa rosa. [user] number? [system] 707-576-7000. [user] who else? [system] bastoni kelly a md is a general practitioner in santa rosa. [user] find a dermatologist in sf. [system] i found 10. anne han, m.d. is a dermatologist in san francisco. [user] good, set a time to visit. [system] what time and date? [user] thursday next week at half past 10 in the morning. [system] please confirm: appointment with anne han, m.d. at 10:30 am on march 7th. [user] great. what's the address? [system] you're all set. they're at 655 redwood highway suite 100. [user] when's my free time the 12th of this month?
State: [state] event_location=none event_time=none event_name=none event_date=12th of this month

[example] [user] can you check my schedule on march 13th? [system] on march 13th, your schedule shows an open period of time between 12:30 pm and 2 pm. [user] that's great. thanks. [system] did you need to add an event to the calendar? [user] yes, can you please add the chris webby concert? the event is being held at 2367 shattuck avenue. [system] what time does it begin? [user] it starts at 12:30pm. [slots] event_date=march 13th event_time=12:30 pm event_name=chris webby concert event_location=2367 shattuck avenue [context] [user] find a general practitioner in santa rosa. [system] alchemy john md is a general practitioner in santa rosa. [user] number? [system] 707-576-7000. [user] who else? [system] bastoni kelly a md is a general practitioner in santa rosa. [user] find a dermatologist in sf. [system] i found 10. anne han, m.d. is a dermatologist in san francisco. [user] good, set a time to visit. [system] what time and date? [user] thursday next week at half past 10 in the morning. [system] please confirm: appointment with anne han, m.d. at 10:30 am on march 7th. [user] great. what's the address? [system] you're all set. they're at 655 redwood highway suite 100. [user] when's my free time the 12th of this month? [system] march 12th you're free 8 am to 5:30 pm. [user] fine. get a dentist in sf.
State: [state] event_date=12th of this month event_time=none event_name=none event_location=none

[example] [user] are there any dentists in sunnyvale, because i really need to find one! [system] there are at least 10 dentists in sunnyvale; what about amazing smile dental? [user] no, i need a cosmetic dentist closer to santa rosa. [system] there is the office of krystle lim in santa rosa. [user] i find this agreeable. [system] what else may i accomplish for you? [user] for the appointment with krystle lim; could you please set one for half past 4 in the evening this sunday? [system] what day do you want the appointment? [user] please book the appointment for the 13th at 10:30 in the morning instead. [slots] city=santa rosa dentist_name=krystle lim appointment_time=10:30 in the morning appointment_date=the 13th offers_cosmetic_services=a of possible values a) true b) false [context] [user] find a general practitioner in santa rosa. [system] alchemy john md is a general practitioner in santa rosa. [user] number? [system] 707-576-7000. [user] who else? [system] bastoni kelly a md is a general practitioner in santa rosa. [user] find a dermatologist in sf. [system] i found 10. anne han, m.d. is a dermatologist in san francisco. [user] good, set a time to visit. [system] what time and date? [user] thursday next week at half past 10 in the morning. [system] please confirm: appointment with anne han, m.d. at 10:30 am on march 7th. [user] great. what's the address? [system] you're all set. they're at 655 redwood highway suite 100. [user] when's my free time the 12th of this month? [system] march 12th you're free 8 am to 5:30 pm. [user] fine. get a dentist in sf.
State: [state] city=sf dentist_name=none appointment_time=none appointment_date=none offers_cosmetic_services=none

[example] [user] are there any dentists in sunnyvale, because i really need to find one! [system] there are at least 10 dentists in sunnyvale; what about amazing smile dental? [user] no, i need a cosmetic dentist closer to santa rosa. [system] there is the office of krystle lim in santa rosa. [user] i find this agreeable. [system] what else may i accomplish for you? [user] for the appointment with krystle lim; could you please set one for half past 4 in the evening this sunday? [system] what day do you want the appointment? [user] please book the appointment for the 13th at 10:30 in the morning instead. [slots] appointment_date=the 13th appointment_time=10:30 in the morning dentist_name=krystle lim city=santa rosa offers_cosmetic_services=a of possible values a) true b) false [context] [user] find a general practitioner in santa rosa. [system] alchemy john md is a general practitioner in santa rosa. [user] number? [system] 707-576-7000. [user] who else? [system] bastoni kelly a md is a general practitioner in santa rosa. [user] find a dermatologist in sf. [system] i found 10. anne han, m.d. is a dermatologist in san francisco. [user] good, set a time to visit. [system] what time and date? [user] thursday next week at half past 10 in the morning. [system] please confirm: appointment with anne han, m.d. at 10:30 am on march 7th. [user] great. what's the address? [system] you're all set. they're at 655 redwood highway suite 100. [user] when's my free time the 12th of this month? [system] march 12th you're free 8 am to 5:30 pm. [user] fine. get a dentist in sf. [system] i found 4. balboa dental care is in san francisco. [user] can i get cosmetic work done there?
State: [state] appointment_date=none appointment_time=none dentist_name=none city=sf offers_cosmetic_services=none

[example] [user] are there any dentists in sunnyvale, because i really need to find one! [system] there are at least 10 dentists in sunnyvale; what about amazing smile dental? [user] no, i need a cosmetic dentist closer to santa rosa. [system] there is the office of krystle lim in santa rosa. [user] i find this agreeable. [system] what else may i accomplish for you? [user] for the appointment with krystle lim; could you please set one for half past 4 in the evening this sunday? [system] what day do you want the appointment? [user] please book the appointment for the 13th at 10:30 in the morning instead. [slots] offers_cosmetic_services=a of possible values a) true b) false appointment_date=the 13th appointment_time=10:30 in the morning dentist_name=krystle lim city=santa rosa [context] [user] find a general practitioner in santa rosa. [system] alchemy john md is a general practitioner in santa rosa. [user] number? [system] 707-576-7000. [user] who else? [system] bastoni kelly a md is a general practitioner in santa rosa. [user] find a dermatologist in sf. [system] i found 10. anne han, m.d. is a dermatologist in san francisco. [user] good, set a time to visit. [system] what time and date? [user] thursday next week at half past 10 in the morning. [system] please confirm: appointment with anne han, m.d. at 10:30 am on march 7th. [user] great. what's the address? [system] you're all set. they're at 655 redwood highway suite 100. [user] when's my free time the 12th of this month? [system] march 12th you're free 8 am to 5:30 pm. [user] fine. get a dentist in sf. [system] i found 4. balboa dental care is in san francisco. [user] can i get cosmetic work done there? [system] sorry, no. [user] find another.
State: [state] offers_cosmetic_services=none appointment_date=none appointment_time=none dentist_name=none city=sf

[example] [user] are there any dentists in sunnyvale, because i really need to find one! [system] there are at least 10 dentists in sunnyvale; what about amazing smile dental? [user] no, i need a cosmetic dentist closer to santa rosa. [system] there is the office of krystle lim in santa rosa. [user] i find this agreeable. [system] what else may i accomplish for you? [user] for the appointment with krystle lim; could you please set one for half past 4 in the evening this sunday? [system] what day do you want the appointment? [user] please book the appointment for the 13th at 10:30 in the morning instead. [slots] dentist_name=krystle lim appointment_date=the 13th city=santa rosa offers_cosmetic_services=b of possible values a) false b) true appointment_time=10:30 in the morning [context] [user] find a general practitioner in santa rosa. [system] alchemy john md is a general practitioner in santa rosa. [user] number? [system] 707-576-7000. [user] who else? [system] bastoni kelly a md is a general practitioner in santa rosa. [user] find a dermatologist in sf. [system] i found 10. anne han, m.d. is a dermatologist in san francisco. [user] good, set a time to visit. [system] what time and date? [user] thursday next week at half past 10 in the morning. [system] please confirm: appointment with anne han, m.d. at 10:30 am on march 7th. [user] great. what's the address? [system] you're all set. they're at 655 redwood highway suite 100. [user] when's my free time the 12th of this month? [system] march 12th you're free 8 am to 5:30 pm. [user] fine. get a dentist in sf. [system] i found 4. balboa dental care is in san francisco. [user] can i get cosmetic work done there? [system] sorry, no. [user] find another. [system] lee myoung is in san francisco. [user] do they do cosmetic stuff? what's their number?
State: [state] dentist_name=none appointment_date=none city=sf offers_cosmetic_services=none appointment_time=none

[example] [user] are there any dentists in sunnyvale, because i really need to find one! [system] there are at least 10 dentists in sunnyvale; what about amazing smile dental? [user] no, i need a cosmetic dentist closer to santa rosa. [system] there is the office of krystle lim in santa rosa. [user] i find this agreeable. [system] what else may i accomplish for you? [user] for the appointment with krystle lim; could you please set one for half past 4 in the evening this sunday? [system] what day do you want the appointment? [user] please book the appointment for the 13th at 10:30 in the morning instead. [slots] dentist_name=krystle lim offers_cosmetic_services=b of possible values a) false b) true appointment_time=10:30 in the morning appointment_date=the 13th city=santa rosa [context] [user] find a general practitioner in santa rosa. [system] alchemy john md is a general practitioner in santa rosa. [user] number? [system] 707-576-7000. [user] who else? [system] bastoni kelly a md is a general practitioner in santa rosa. [user] find a dermatologist in sf. [system] i found 10. anne han, m.d. is a dermatologist in san francisco. [user] good, set a time to visit. [system] what time and date? [user] thursday next week at half past 10 in the morning. [system] please confirm: appointment with anne han, m.d. at 10:30 am on march 7th. [user] great. what's the address? [system] you're all set. they're at 655 redwood highway suite 100. [user] when's my free time the 12th of this month? [system] march 12th you're free 8 am to 5:30 pm. [user] fine. get a dentist in sf. [system] i found 4. balboa dental care is in san francisco. [user] can i get cosmetic work done there? [system] sorry, no. [user] find another. [system] lee myoung is in san francisco. [user] do they do cosmetic stuff? what's their number? [system] they don't do this service either, but they're at 415-239-4140. [user] ok go with them.
State: [state] dentist_name=lee myoung offers_cosmetic_services=none appointment_time=none appointment_date=none city=sf

[example] [user] are there any dentists in sunnyvale, because i really need to find one! [system] there are at least 10 dentists in sunnyvale; what about amazing smile dental? [user] no, i need a cosmetic dentist closer to santa rosa. [system] there is the office of krystle lim in santa rosa. [user] i find this agreeable. [system] what else may i accomplish for you? [user] for the appointment with krystle lim; could you please set one for half past 4 in the evening this sunday? [system] what day do you want the appointment? [user] please book the appointment for the 13th at 10:30 in the morning instead. [slots] offers_cosmetic_services=a of possible values a) true b) false appointment_date=the 13th appointment_time=10:30 in the morning dentist_name=krystle lim city=santa rosa [context] [user] find a general practitioner in santa rosa. [system] alchemy john md is a general practitioner in santa rosa. [user] number? [system] 707-576-7000. [user] who else? [system] bastoni kelly a md is a general practitioner in santa rosa. [user] find a dermatologist in sf. [system] i found 10. anne han, m.d. is a dermatologist in san francisco. [user] good, set a time to visit. [system] what time and date? [user] thursday next week at half past 10 in the morning. [system] please confirm: appointment with anne han, m.d. at 10:30 am on march 7th. [user] great. what's the address? [system] you're all set. they're at 655 redwood highway suite 100. [user] when's my free time the 12th of this month? [system] march 12th you're free 8 am to 5:30 pm. [user] fine. get a dentist in sf. [system] i found 4. balboa dental care is in san francisco. [user] can i get cosmetic work done there? [system] sorry, no. [user] find another. [system] lee myoung is in san francisco. [user] do they do cosmetic stuff? what's their number? [system] they don't do this service either, but they're at 415-239-4140. [user] ok go with them. [system] do you want an appointment? [user] yes, 11:30 in the morning.
State: [state] offers_cosmetic_services=none appointment_date=12th of this month appointment_time=11:30 in the morning dentist_name=lee myoung city=sf

[example] [user] are there any dentists in sunnyvale, because i really need to find one! [system] there are at least 10 dentists in sunnyvale; what about amazing smile dental? [user] no, i need a cosmetic dentist closer to santa rosa. [system] there is the office of krystle lim in santa rosa. [user] i find this agreeable. [system] what else may i accomplish for you? [user] for the appointment with krystle lim; could you please set one for half past 4 in the evening this sunday? [system] what day do you want the appointment? [user] please book the appointment for the 13th at 10:30 in the morning instead. [slots] dentist_name=krystle lim offers_cosmetic_services=a of possible values a) true b) false appointment_time=10:30 in the morning city=santa rosa appointment_date=the 13th [context] [user] find a general practitioner in santa rosa. [system] alchemy john md is a general practitioner in santa rosa. [user] number? [system] 707-576-7000. [user] who else? [system] bastoni kelly a md is a general practitioner in santa rosa. [user] find a dermatologist in sf. [system] i found 10. anne han, m.d. is a dermatologist in san francisco. [user] good, set a time to visit. [system] what time and date? [user] thursday next week at half past 10 in the morning. [system] please confirm: appointment with anne han, m.d. at 10:30 am on march 7th. [user] great. what's the address? [system] you're all set. they're at 655 redwood highway suite 100. [user] when's my free time the 12th of this month? [system] march 12th you're free 8 am to 5:30 pm. [user] fine. get a dentist in sf. [system] i found 4. balboa dental care is in san francisco. [user] can i get cosmetic work done there? [system] sorry, no. [user] find another. [system] lee myoung is in san francisco. [user] do they do cosmetic stuff? what's their number? [system] they don't do this service either, but they're at 415-239-4140. [user] ok go with them. [system] do you want an appointment? [user] yes, 11:30 in the morning. [system] please confirm: appointment with lee myoung at 11:30 am on march 12th. [user] good, where are they at?
State: [state] dentist_name=lee myoung offers_cosmetic_services=none appointment_time=11:30 am city=sf appointment_date=12th of this month

[example] [user] are there any dentists in sunnyvale, because i really need to find one! [system] there are at least 10 dentists in sunnyvale; what about amazing smile dental? [user] no, i need a cosmetic dentist closer to santa rosa. [system] there is the office of krystle lim in santa rosa. [user] i find this agreeable. [system] what else may i accomplish for you? [user] for the appointment with krystle lim; could you please set one for half past 4 in the evening this sunday? [system] what day do you want the appointment? [user] please book the appointment for the 13th at 10:30 in the morning instead. [slots] appointment_time=10:30 in the morning city=santa rosa offers_cosmetic_services=b of possible values a) false b) true appointment_date=the 13th dentist_name=krystle lim [context] [user] find a general practitioner in santa rosa. [system] alchemy john md is a general practitioner in santa rosa. [user] number? [system] 707-576-7000. [user] who else? [system] bastoni kelly a md is a general practitioner in santa rosa. [user] find a dermatologist in sf. [system] i found 10. anne han, m.d. is a dermatologist in san francisco. [user] good, set a time to visit. [system] what time and date? [user] thursday next week at half past 10 in the morning. [system] please confirm: appointment with anne han, m.d. at 10:30 am on march 7th. [user] great. what's the address? [system] you're all set. they're at 655 redwood highway suite 100. [user] when's my free time the 12th of this month? [system] march 12th you're free 8 am to 5:30 pm. [user] fine. get a dentist in sf. [system] i found 4. balboa dental care is in san francisco. [user] can i get cosmetic work done there? [system] sorry, no. [user] find another. [system] lee myoung is in san francisco. [user] do they do cosmetic stuff? what's their number? [system] they don't do this service either, but they're at 415-239-4140. [user] ok go with them. [system] do you want an appointment? [user] yes, 11:30 in the morning. [system] please confirm: appointment with lee myoung at 11:30 am on march 12th. [user] good, where are they at? [system] 90 woodacre drive # 108. i couldn't make that booking. should i try lee myoung at 11 am on march 12th? [user] fine.
State: [state] appointment_time=11 am city=sf offers_cosmetic_services=none appointment_date=12th of this month dentist_name=lee myoung

[example] [user] are there any dentists in sunnyvale, because i really need to find one! [system] there are at least 10 dentists in sunnyvale; what about amazing smile dental? [user] no, i need a cosmetic dentist closer to santa rosa. [system] there is the office of krystle lim in santa rosa. [user] i find this agreeable. [system] what else may i accomplish for you? [user] for the appointment with krystle lim; could you please set one for half past 4 in the evening this sunday? [system] what day do you want the appointment? [user] please book the appointment for the 13th at 10:30 in the morning instead. [slots] city=santa rosa appointment_date=the 13th offers_cosmetic_services=a of possible values a) true b) false appointment_time=10:30 in the morning dentist_name=krystle lim [context] [user] find a general practitioner in santa rosa. [system] alchemy john md is a general practitioner in santa rosa. [user] number? [system] 707-576-7000. [user] who else? [system] bastoni kelly a md is a general practitioner in santa rosa. [user] find a dermatologist in sf. [system] i found 10. anne han, m.d. is a dermatologist in san francisco. [user] good, set a time to visit. [system] what time and date? [user] thursday next week at half past 10 in the morning. [system] please confirm: appointment with anne han, m.d. at 10:30 am on march 7th. [user] great. what's the address? [system] you're all set. they're at 655 redwood highway suite 100. [user] when's my free time the 12th of this month? [system] march 12th you're free 8 am to 5:30 pm. [user] fine. get a dentist in sf. [system] i found 4. balboa dental care is in san francisco. [user] can i get cosmetic work done there? [system] sorry, no. [user] find another. [system] lee myoung is in san francisco. [user] do they do cosmetic stuff? what's their number? [system] they don't do this service either, but they're at 415-239-4140. [user] ok go with them. [system] do you want an appointment? [user] yes, 11:30 in the morning. [system] please confirm: appointment with lee myoung at 11:30 am on march 12th. [user] good, where are they at? [system] 90 woodacre drive # 108. i couldn't make that booking. should i try lee myoung at 11 am on march 12th? [user] fine. [system] you're booked. [user] thanks, that's all.
State: [state] city=sf appointment_date=12th of this month offers_cosmetic_services=none appointment_time=11 am dentist_name=lee myoung