Hello.
Hello, how can I help you?
I am David Wilson.
Ok.
As my interview got postponed, I need to change my reservation. Can you please help me?
Sure, I am here to help you.
Thank you.
Please stand by I will get back to you.
Sure.
Thank you for waiting. Sorry to say no reservation found on your name.
No problem. Thank you.
Thank you for reaching us, have a nice day.