customer: Hello. 
 agent: Hello. What can I do for you? 
 customer: Actually, I want to change my reservation because my trip got postponed. Can you help to cancel my flight ticket? 
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 customer: Myself Raymond Allen. 
 agent: Raymond, there is no reservation on your details. 
 customer: Oh! ok, thank you for the information. 
 agent: Welcome.
agent: Sure, I can help you with it. Before proceeding, may I know your name please?