Hi.
user
Hello.
assistant
Myself Paul Williams.
user
How can I assist you today?
assistant
I want to change my existing reservation, can you help me with that?
user
Sure, will you please give me a moment?
assistant
Thank you for accepting my concern and I will wait for your response.
user
Thanks for waiting, there is no reservation found under your name.
assistant
That's ok, no problem. Thank you for the information.
user
Welcome, have a great day.
assistant