You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Andrew Lopez.

ASSISTANT: How can I support you today?

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

ASSISTANT: Sure. Please give me a minute. Thanks for being patient. Unfortunately, there is no reservation found on your name.

USER: Ok. Thank you.

ASSISTANT: Thank you for reaching us.