customer: Hi. 
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 customer: I want to change my reservation due to health problem, can you help me? 
 agent: Yes, I am here to help you. Let me know your name please. 
 customer: Myself George Edwards. 
 agent: Edwards, please wait for a while. I will check your reservation status and get back to you. 
 customer: Ok. 
 agent: Edwards, I have not found any reservation by your name in our database. 
 customer: No problem, thanks for checking. 
 agent: You are most welcome and thank you for contacting us.
agent: Hello. How may I help you?