Hello.
user
Hello. How can I aid you today?
assistant
Raymond Hall here. I would like to change my reservation as I am stuck with an important work.
user
Sure, I am here to help you. Hold on for a moment. Let me check.
assistant
Sure, take your time.
user
Sorry Raymond Hall, there are no flights reserved on your given name formerly.
assistant
No issue, thank you for the information and your time.
user
Welcome, thank you for choosing us. Have a great day.
assistant