Hello.
user
Hello. How can I assist you now?
assistant
I am William Green. I am willing to change my trip dates, will you please help me to change?
user
Sure William Green, I am happy to help you with that.
assistant
Thank you for accepting my request.
user
Please wait a moment to check your reservation status.
assistant
Ok.
user
Sorry William Green, no reservation has found under your name to change.
assistant
It's ok, not a problem with that. Anyways thank you for checking.
user
Thank you for choosing us, have a good day.
assistant