Hello.
Hello, how can I serve you today?
I am Charles Hall. I want to change my existing reservation due to some issues, can you please help me with that?
Sure, I will help you.
Thank you.
Please wait for a while, I will check your previous reservation.
Sure.
Thank you for being patience, there is no reservation found on your name.
No problem, thanks for your information.
Thank you for contacting us.