Hello.
user
Hello, how may I aid you?
assistant
I am Frank Garcia. I want to change my existing reservation, can you help me?
user
Sure, I am gleeful to help you out. Please allow me a moment to check the reservation details.
assistant
Sure.
user
Sorry Frank Garcia, there is no active reservation on your name in our database.
assistant
No issues. Thank you.
user
Thank you for reaching us.
assistant