Hi.
Hello. How may I assist you?
Unfortunately, I would like to change my existing reservation due to some problem, can you please help me in this intent?
Sure, can you please let me know your name to proceed?
Sure, my name is Anna Scott.
Please give me a moment to check your details.
Sure, take your time.
Sorry, no reservation found on your name.
That's ok, thank you for checking.
Thank you for reaching us, have a nice day.