customer: Hello. 
 agent: Hello. How may I aid you today? 
 customer: Due to sudden change of my business meeting because of some technical problem, I need to change my reservation so can you help me with that? 
 agent: Sure, I am glad to help you with that. Can I know your name to check your previous reservation? 
 customer: I am Kimberly Parker. 
 agent: Please be on hold. 
 __ 
 agent: We regret to inform you that, there is no reservation found on your name in our reservation list. 
 customer: Ok, no issues. Thanks for the information. 
 agent: Thank you for approaching us, have a great day.
customer: Sure.