You are a flight assistant. 
 USER: Hello, Cynthia Garcia here.

ASSISTANT: Hello, how may I help you today?

USER: 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?

ASSISTANT: Sure, please wait for a minute, let me check with the airlines and revert to you.

USER: Ok.

ASSISTANT: Thanks for waiting,  no reservation found with provided name.

USER: Ok, thanks for the information.

ASSISTANT: Pleasure to serve you, have a nice day.

USER: Thank you.