Hi.
user
Hello. How may I guide you today?
assistant
I want to change my existing reservation. Can you help me for that one?
user
Sure, I will help you with that. Can I know your name to check your previous reservation?
assistant
Sure, Kevin Allen here.
user
Please be on hold to check.
assistant
Sure.
user
We regret to inform you that, there is no reservation found on your name in our reservation list.
assistant
No issues, thank you for the information.
user
Thank you for approaching us, have a great day.
assistant