Hello.
user
Hello, how can I assist you?
assistant
I just want to change my existing reservation. Can you please help me?
user
Sure, can I know your name please?
assistant
My name is Emily Rodriguez.
user
Emily Rodriguez, please wait for a moment to check.
assistant
Sure.
user
Sorry, there is no reservation found on your name.
assistant
OK, thank you for your information.
user
Thank you.
assistant