Hi.
user
Hello. How may I assist you today?
assistant
I would like to change my existing reservation. Can you help me in this?
user
Sure, can I know your name please?
assistant
Richard Green here.
user
Please give me a moment, let me check and revert to you.
assistant
Sure.
user
Unfortunately we did not find any reservation on your given name.
assistant
No issues, thank you for your information.
user
Thank you for reaching us.
assistant