customer: Hello. 
 agent: Hello, how can I help you today? 
 customer: I want to change my existing reservation due to sudden demise of my grand father. Can you please help me with this? 
 agent: Sure, may I know your name? 
 customer: Sure, William Perez. 
 agent: Please wait a moment. 
 customer: Ok. 
 __ 
 customer: Ok, not an issue. 
 agent: Thanks for reaching us. 
 customer: Thank you for checking.
agent: Sorry to say, no reservation found with your name.