Hi, my name is Patrick Wright.
user
Hello. How may I help you?
assistant
I would like to change my existing reservation due to sudden demise of my great grandfather.
user
Sure, just a moment I will check and get back to you.
assistant
Sure.
user
Unfortunately there is no reservation found by this name.
assistant
Thank you for your response.
user
Thanks for choosing us, have a nice day.
assistant