customer: Hello. 
 agent: Hello, how may I help you? 
 customer: I want to change my destination airport code in my existing reservation, can you please help me out? 
 agent: Sure, I am here to help you for this. May I know your name please? 
 customer: Sure, my name is Nicholas White. 
 agent: Just a moment, let me check your reservation status in our database. 
 customer: Ok, take your time. 
 agent: Sorry for inconvenience, no reservation is found under your name. 
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 agent: Thank you very much for contacting our agency.
customer: It's ok, thank you for the information.