customer: Hi'. 
 agent: Hello, how can I assist you today? 
 customer: Kevin Hernandez is my name. 
 agent: Ok. 
 customer: I made a reservation earlier in the wrong date unknowingly so, I want to change my existing reservation. Can you help me? 
 agent: Sure, I will help you with that. 
 customer: Thank you. 
 __ 
 customer: Ok. 
 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: No issue, thank you for the information. 
 agent: Thank you for choosing us.
agent: Please wait a while.