customer: Hello. 
 agent: Hello. How can I aid you today? 
 customer: I want to change my reservation, because my trip was postpone due to some problems, can you please change my reservation? 
 agent: Sure, I can help you with that. 
 customer: Thanks. 
 agent: May I know your name for checking your previous status? 
 customer: Myself Daniel Robinson. 
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 customer: Sure. 
 agent: There is no previous reservation found on your name. 
 customer: It's ok. Thank you for your information. 
 agent: Thank you for reaching us, have a nice day.
agent: Ok, please wait a moment.