4100
he got on a flight to an undisclosed location , when jamie got a second phone call from a flight attendant .
 he, jamie, a flight attendant, an undisclosed location
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: organization, person, geographical social political, vehicle, location, weapon, facility 
Text: {0} 
Answer:
 he, jamie, a flight attendant, an undisclosed location