Hello, I am Karen Thomas.
user
Hello, How can I make you happy?
assistant
I have a meeting with my client at Denver due to some technical issues my destination was changed, so can you please change my existing reservation?
user
Sure, Please give a moment.
assistant
Ok.
user
Sorry, No reservation found on your name.
assistant
No problem, thank you for the information.
user
Thank you, Have a good day.
assistant