Hello.
user
Hello. How may I help you today?
assistant
I would like to change my flight reservation as my trip got postponed, can you please help me?
user
Ok, I am here to help you with that. Can I know your name?
assistant
My name is William Jackson.
user
Sorry William Jackson, there is no active reservation under your name.
assistant
No issue, thank you for your time.
user
You are welcome, thank you for reaching us.
assistant