You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I provide assistance to you?

USER: Due to having heavy snow-storm at my place, I can not travel to reach my destination. For this I want to cancel my reservation with the name of Elizabeth Evans.

ASSISTANT: Sure, we are gleeful to assist you in cancellation. Please wait for a while, I will check  the reservation list and revert to you.

USER: Sure.

ASSISTANT: Thank you for your patience.

USER: Ok.

ASSISTANT: Sorry to notify that, there is no reservation found on your given name.

USER: Not a problem. Thank you for your helping hand.

ASSISTANT: Thank you for approaching us. Have a good day.