Hello.
user
Hello, how may I help you today?
assistant
I want to change my existing reservation. Can you please help me in that?
user
Sure, I am here to help you with this. May I know your name please?
assistant
Thank you. Susan Martinez.
user
Please wait for a mean while.
assistant
Ok.
user
Sorry, there is no reservation found as per your name to change it.
assistant
Ok, no problem. Thank you.
user
You are welcome.
assistant