customer: Hello. 
 agent: Hello. 
 customer: I am Donald Jones. 
 agent: How can I help you Donald? 
 customer: I want to cancel my reservation, can you help me? 
 agent: Sure, I will help you. 
 customer: Thanks. 
 agent: Please wait for a moment. 
 __ 
 agent: No reservation is available under your name. 
 customer: That's ok, thank you. 
 agent: You are welcome.
customer: Ok.