You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello,.

USER: Myself Richard Clark.

ASSISTANT: How may I help you?

USER: I want to cancel my recent reservation, due to heavy snow fall from couple of days at my place. So, it is having inconvenience to start the journey.

ASSISTANT: Please wait for a while.

USER: Ok.

ASSISTANT: No reservation found by name Richard Clark.

USER: Thank you for availing me.

ASSISTANT: Thanks.