customer: Hello. 
 agent: Hello, good morning. 
 customer: Very good morning. 
 agent: May I know your name please? 
 customer: Sure, my name is Christine Carter. 
 agent: Carter, what kind of service you are looking from agency? 
 customer: My final exam dates are postponed.Can you please help me for  changing the existing reservation? 
 agent: I can help you with that. 
 customer: Thank you. 
 agent: Please wait a moment. 
 customer: Sure, take your time. 
 agent: Thank you for waiting. Sorry Carter, there is no reservation found on your name in our records. 
 customer: No problem, I will search with another airline. 
 agent: Ok. 
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 agent: You are welcome. Thank you for contacting us. 
 customer: You are most welcome.
customer: Thank you for your information.