[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 departure_time=11:50 am fare_type=b of possible values a) flexible b) economy c) economy extra departure_date=3rd of this month origin=vegas group_size=b of possible values a) 2 b) 3 c) 4 d) 1 e) 5 [context] [user] i need assistance to find a bus, please?
State: [state] destination=none departure_time=none fare_type=none departure_date=none origin=none group_size=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=b of possible values a) 2 b) 3 c) 4 d) 1 e) 5 fare_type=a of possible values a) economy b) flexible c) economy extra departure_date=3rd of this month origin=vegas destination=lax departure_time=11:50 am [context] [user] i need assistance to find a bus, please? [system] where will you be boarding the bus and where do you wish to travel, and at what time of day? [user] i plan to leave on the 6th of this month from vegas to travel to sacramento.
State: [state] group_size=none fare_type=none departure_date=6th of this month origin=vegas destination=sacramento 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] origin=vegas departure_time=11:50 am group_size=a of possible values a) 3 b) 2 c) 1 d) 5 e) 4 departure_date=3rd of this month fare_type=b of possible values a) economy extra b) economy c) flexible destination=lax [context] [user] i need assistance to find a bus, please? [system] where will you be boarding the bus and where do you wish to travel, and at what time of day? [user] i plan to leave on the 6th of this month from vegas to travel to sacramento. [system] there is a bus that leaves at 7:20 am with a cost of $76 for an economy ticket. [user] sounds great!
State: [state] origin=vegas departure_time=7:20 am group_size=none departure_date=6th of this month fare_type=b destination=sacramento

[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 origin=vegas departure_time=11:50 am group_size=d of possible values a) 5 b) 4 c) 2 d) 3 e) 1 destination=lax fare_type=c of possible values a) flexible b) economy extra c) economy [context] [user] i need assistance to find a bus, please? [system] where will you be boarding the bus and where do you wish to travel, and at what time of day? [user] i plan to leave on the 6th of this month from vegas to travel to sacramento. [system] there is a bus that leaves at 7:20 am with a cost of $76 for an economy ticket. [user] sounds great! [system] may i assist with anything else? [user] no. thank you!
State: [state] departure_date=6th of this month origin=vegas departure_time=7:20 am group_size=none destination=sacramento fare_type=c