Hello, Cynthia Garcia here.
user
Hello, how may I help you today?
assistant
Due to heavy fog I would like to cancel my visit to an event at Denver, Can you please help me in cancelling the reservation?
user
Sure, please wait for a minute, let me check with the airlines and revert to you.
assistant
Ok.
user
Thanks for waiting,  no reservation found with provided name.
assistant
Ok, thanks for the information.
user
Pleasure to serve you, have a nice day.
assistant
Thank you.
user