You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I am Margaret King. My business meeting has been cancelled, so I would like to cancel my recent  reservation.

ASSISTANT: Ok. Please give me minute. I will check and let you know. Mr. Margaret King, there is no reservation with your name.

USER: It's fine. Thank you for your help.

ASSISTANT: Welcome.