Hi.
Hello.
Myself James Hall.
James, how can I assist you?
I am having sudden meeting in my office, can you please help me changing my reservation?
Sure, I will help you. Please wait, I will check your reservation status and get back to you.
Ok, I will wait for your reply.
Sorry, no reservation found under your name in our database.
That's fine, not an issue. Thank you for your information.
You are most welcome.