Hello.
user
Hello, how may I oblige you today?
assistant
I would like to change my flight reservation as my trip got postponed, can you please help me?
user
Sure, I can change your reservation right now. Before that I need to know your good name please?
assistant
I am James Hall.
user
 Thank you. Please stay online for a while, I will check your reservation status and let you know.
assistant
Ok, take your time.
user
Sorry to say that, there is no active reservation found on your name.
assistant
Ok, no issues. Thank you for the information.
user
Thank you for opting us.
assistant