Hi.
user
Hello. How may I help you?
assistant
Can you please help me in changing my existing reservation?
user
Sure, we are here to help you.
assistant
Thank you.
user
May I know your name please?
assistant
Laura Davis here.
user
Sorry to inform you that there is no active reservation on your given name.
assistant
No issues, thank you.
user
Thank you for contacting us.
assistant