Hi.
Hello, how may I assist you today?
I would like to change my existing reservation as my appointment with my doctor got postponed. Can you help me with it?
Sure, I will help you to change your reservation. May I know your good name?
My name is Melissa Collins.
Please wait for a while.
Sure.
Thank you for waiting, sorry there is no reservation found on your name.
Thank you for the response.
Thank you for visiting us, we hope see you again.