customer: Hi. 
 agent: Hello, How can I help you today? 
 customer: Please change my existing reservation owing to an emergency. 
 agent: Sure, I will help you with that. Let me know your name to check your reservation? 
 __ 
 agent: Ok, please wait a moment. 
 customer: Sure. 
 agent: Thank you for waiting. I have checked in reservation list to change your ticket, but could not find any reservation with your name. 
 customer: Thanks. 
 agent: Thank you for reaching us.
customer: My name is Carolyn Lee.