customer: Hello. 
 agent: Hello. How can I assist you at this moment? 
 customer: I got to know that AA airline is not good so, I want to change my reservation.Can you help me? 
 agent: Sure, I will help you with that. May I know your good name for checking reservation status? 
 customer: Myself Katherine Anderson. 
 __ 
 customer: Sure. 
 agent: Thank you for waiting. Sorry Anderson, I have not found your name in the reservation list to change. 
 customer: No problem, thank you for checking. 
 agent: Most welcome. Thank you for choosing us.
agent: Ok, please be hold on for a while.