customer: Hello. 
 agent: Hello, how may I help you? 
 customer: My name is Alexander Hernandez, I want to cancel my reservation as my plan to meet my friend is cancelled. Can you cancel my reservation? 
 agent: Ok, please wait. 
 __ 
 agent: We are sorry to inform you that, we did not find any reservation against your name. 
 customer: Ok, thank you for the information. 
 agent: You are welcome.
customer: Sure.