Hi.
user
Hello, how best I can help you today?
assistant
I need to change my existing reservation which was made on the name of Lisa Johnson. Can you help me with it?
user
Sure, I will help you with that. Please wait for a minute, I will check with the reservation and revert to you.
assistant
Sure.
user
Thank you for waiting. Unfortunately, there is no reservation exist on your name to do modification.
assistant
That's ok, thank you for the response.
user
Thank you for reaching us.
assistant