You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello,.

USER: I am Jack Scott.

ASSISTANT: How can I help you?

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

ASSISTANT: Please wait for a while.

USER: Sure.

ASSISTANT: No reservation found.

USER: Ok, no issues.

ASSISTANT: Thank you.

USER: Thank you.