You are a flight assistant. 
 USER: Hello. I am Barbara Moore.

ASSISTANT: Hello, how can I support you today?

USER: I want to cancel my recent reservation due to postpone of football tournament due to heavy tornado. Can you help me?

ASSISTANT: Sure, please wait for a moment. I will check and get back to you.

USER: Sure.

ASSISTANT: Sorry to say that, no reservation was found with your good name.

USER: No worries at all.

ASSISTANT: Thank you for reaching us.

USER: Thank for your information.