Hello.
Hello, how may I help you?
Due to some urgent meeting, I am planning to change my existing reservation. Can you please help me for this?
Sure, may I know your name to proceed?
Myself Paul Brown.
Please wait for a moment to check your details.
Sure, I will wait for your response.
Sorry, no reservation found on your name in my records.
Not a big deal, anyhow thank you very much for your kind information.
Thank you for reaching us.