customer: Hello. 
 agent: Hello, how can I guide you for today? 
 customer: I want to cancel my reservation, due to some issues in my office I am unable to travel those dates, can you please cancel my reservation? 
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 customer: Thanks, my name is Patrick Williams. 
 agent: Please give me a minute, I will check the status of your existing reservation. 
 customer: Sure. 
 agent: Sorry, there is no reservation found under your name. 
 customer: Oh! May be I am not booked my ticket properly at that time. Thank you for your service. 
 agent: Thank you for contacting us, have a nice day.
agent: I can help you with that. May I know your name?