customer: Hello. I'm Carol Jones. 
 agent: Hello, how can I assists you? 
 customer: My business meeting has been postponed.So, I would like to change my recent reservation. Can you please help me with that? 
 agent: Sure, please wait for a moment. 
 __ 
 agent: Sorry, there is no reservation found by your name. 
 customer: Ok, no problem. Thank you for your help. 
 agent: Thank you and have a nice day. 
 customer: Thank you.
customer: Ok.