customer: Hello. 
 agent: Hello. 
 customer: Myself Ryan Jackson. 
 agent: I am here to assist you, may I know your concern? 
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 agent: Sorry, there is no reservation been found on your name. 
 customer: It's ok. Thank you for the information. 
 agent: Thank you for choosing our agency.
customer: For some issues I want to change my reservation, can you please help me?