customer: Hello, I am Mary Turner. 
 agent: Hello, how may I aid you today? 
 customer: I want to change my existing reservation due to some issues, can you please help me with that? 
 agent: Sure, we are here to help you. Please wait a moment. 
 __ 
 agent: Thank you for your time, sorry no reservation found on your name. 
 customer: Ok, not an issue. Thank you for your information. 
 agent: Thank you for reaching us.
customer: Sure.