Hello.
Hello, how may I support you today?
I am Angela Wright, I want to  change my reservation as my friend is ill and I have to take care of him. Can you help me with that?
Sure, we are glad to help you to change your reservation. Please be on hold, to check the status of your earlier reservation and let you know.
Sure.
Thanks for your time, there was no reservation found on your given name to change it.
Ok, thank you for the information.
Thank you for choosing our agency.