customer: Hi. 
 agent: Hello, how may I help you? 
 customer: I made a reservation earlier this week to give a seminar, but my seminar has been postponed. Can you please help me in changing my reservation? 
 agent: Sure, may I know your name please? 
 customer: Jeffery Rodriguez. 
 agent: Ok, please wait for a while. 
 __ 
 agent: Sorry, there is no active reservation found with your name in our records. 
 customer: No issue. Thank you. 
 agent: Most welcome.
customer: Ok.