Hi.
Hello. How can I aid you?
I want to change my existing reservation. Can you help me for this one?
Sure, We are here to help you. May I know your name?
Sure, Margaret Thompson here.
Give me a minute.
Sure.
 Thank you for waiting, but I am sorry to say that, there is no active reservation found with your name in our database to change it.
No issues, thank you for the information.
Thank you for reaching us.