customer: Hi. Patrick Rodriguez here. 
 agent: Hello, how can I assist you today? 
 customer: Can you change my flight ticket reservation? 
 agent: Sure, we are here to help you. Wait for some time I will check the reservations on your name and get back to you. 
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 agent: Thanks for waiting there is no reservation found on your name. 
 customer: Ok, that is not a problem. Thank you. 
 agent: Thanks for approaching us.
customer: Ok.