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