Hello.
user
Hello, how may I assist you today?
assistant
Can you please help me in changing my existing reservation?
user
Sure, may I know your name for the changing process?
assistant
My previous reservation has done with my name Larry Thompson.
user
Sorry as per your concern I can not amend your reservation as your reservation is not found as per our records.
assistant
Ok, not an issue.
user
Welcome, thank you for reaching us.
assistant
Thank you for providing information.
user