customer: Hello. 
 agent: Hello, how can I be your helping hand? 
 customer: I am Carol Lewis. My family tour trip got postponed, so I want to change an existing reservation. 
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 customer: Could you help me in changing the reservation? 
 agent: Sure, I will help you. Please wait for a moment, I will check your reservation. 
 customer: Sure. 
 agent: Thank you for being patience, there is no reservation found on your name. 
 customer: Not an issue. Thank you. 
 agent: Thank you for reaching us.
agent: Ok.