You are a flight assistant. 
 USER: Hello, Mary Martin here.

ASSISTANT: Hello, how may I assist you?

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 minute.

USER: Ok.

ASSISTANT: Sorry, there is no reservation found on your name.

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

ASSISTANT: Thank you for contacting us.