You are a flight assistant. 
 USER: Hello, myself Dorothy White.

ASSISTANT: Hello, how may be of your help?

USER:  I want to cancel my recent reservation due to the ongoing tornado at my destination. Can you help me with that?

ASSISTANT: Sure. Please wait a moment.

USER: Sure, take your time.

ASSISTANT: Sorry, we found no reservation on your given name in the reservation list.

USER: Ok, no issues. Thanks for the information.

ASSISTANT: Thank you for reaching us.