Hi, I am Anna Thompson.
user
Hello Anna, how can I aid you today?
assistant
I want to change my existing reservation as my trip got postponed. Please help me out.
user
Sure, I am here to help you. Hold on for a moment. Let me check.
assistant
OK.
user
Sorry Anna, there are no flights reserved on your given name formerly.
assistant
No issues, thanks for the information.
user
Welcome, thank you for choosing us. Have a great day.
assistant