Hi.
user
Hello. How can I assist you today?
assistant
I would like to change my existing reservation which was made on the name of Christopher Gonzalez. Can you help me with it?
user
Sure, please allow me a moment to check for the previous reservation.
assistant
Sure.
user
Christopher, there is no reservation found under your name.
assistant
That's fine, thank you.
user
Thank you for contacting us.
assistant