Hello.
user
Hello, how may I assist you?
assistant
I would like to change 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 Edward Garcia.
user
Thank you very much. Please wait for a while, let me check your reservation status in our database.
assistant
Ok.
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