Hello.
user
Hello, how can I help you?
assistant
I need your help to change my existing reservation.
user
Sure, can I know your name please?
assistant
My name is Gary Hernandez.
user
Give me a moment.
assistant
Sure.
user
Sorry Gary, there is no current reservation found for your details.
assistant
That's really sad. Anyways, thank you for the information.
user
Your welcome.
assistant