Hello.
Hello, how may I help you?
 I would like to cancel my flight reservation as my trip got postponed, can you please help me?
Sure, I am here to help you with that, can I know your good name to proceed further?
My name is John Rodriguez.
Thank you very much. Please wait for a while, let me check your reservation status in our database.
Sure.
 I am very sorry to inform you that there is no reservation found under your name in our database.
Not an issue, thank you for the information.
Thank you very much for approaching our agency.