Hello.
user
Hi. How may I assist you today?
assistant
I want to change my existing reservation, due to some health issue. Can you help me?
user
Sure, may I know your name for the changing process?
assistant
Sure, my name is David Martinez.
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 problem. Thank you for your information.
user
Welcome, thank you for reaching us.
assistant