You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you today?

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

ASSISTANT: Sure, may I know your name?

USER: I am Ryan Lee.

ASSISTANT: please wait a minute.

USER: Sure.

ASSISTANT: We found no reservation with your given name.

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

ASSISTANT: Thank you.