Hello.
user
Hello, how may I help you?
assistant
Can you please help me to change my existing reservation?
user
Sure, we are here to help you.
assistant
Thank you.
user
May I know your name please?
assistant
I am Eric Perez.
user
Sorry to inform you that there is no active reservation on your given name.
assistant
Ok, not an issue. Thank you for checking.
user
Thank you for contacting us.
assistant