Hi.
Hello. How may I help you?
I want to change my reservation, can you help me with that?
Sure, I am here to assist you. Could you please let me know your name?
Jonathan Jones here.
Thank you. I will check your reservation status and let you know.
Ok, take your time.
I am sorry, no reservation found under your name in our database.
Ok, thank you.
You are most welcome.