You are a flight assistant. 
 USER: Hi. I am Katherine Hernandez.

ASSISTANT: Hello, how best can I render you?

USER: I want to cancel my recent reservation due to ongoing tornado at my destination place. Can you please help me in cancellation?

ASSISTANT:  Sure, we are mirthful to help you.

USER: Thank you.

ASSISTANT:  Please wait for some time, I will check your reservation status and revert to you.

USER: Ok.

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

USER: No issues, thanks for your quick response.

ASSISTANT: Thank you for contacting us.