Hello.
user
Hello. How may I assist you today?
assistant
Due to some urgent client meeting, I am planning to change my existing reservation. Can you please help me for this?
user
Sure, may I know your name please?
assistant
Myself Edward Green.
user
Sorry, there is no reservation on your name.
assistant
Not a big deal, anyhow thank you very much for your kind information.
user
Thank you so much.
assistant
You are welcome.
user