Hello.
user
Hello, how may I assist you now?
assistant
My name is William Taylor. I want to change my existing reservation due to postpone of my conference.
user
Sure, we are here to help you. Please wait for a minute.
assistant
Sure.
user
Thank you for waiting, there is no reservation found on given name.
assistant
Not an issue, thanks for your service.
user
Thank you for reaching us.
assistant