Hi,.
Hello, may I know your name?
I am Stephanie Phillips.
How can I help you today?
I have an issue with my existing reservation and I want to change it. Can you help me in doing this?
Sure, I will help you. Please wait for a moment, I will check and back to you.
OK.
Thanks for patience, sorry there is no reservation is found on your name.
OK. No issues thanks for your response.
Thank you. Have a nice day.