Hi.
Hello. How can I help you today?
I am Edward Moore, due to health issues I would like to change my existing reservation, so can you help me for this?
Ok, please wait for a while, I will check your name in our records and revert you back.
Ok, I will wait for your response.
Sorry Edward, there is no reservation found with your name.
Oh! it's ok, no problem. Thank you for your services.
It's my pleasure.