You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Frank Jackson.

ASSISTANT: Frank, how can I support you?

USER: I want to cancel my reservation, due to heavy rainfall in Seattle, can you help me?

ASSISTANT: Ok, please wait for a moment.

USER: Sure.

ASSISTANT: I did not find any reservation under your name.

USER: That's ok, thank you for your information.

ASSISTANT: You are welcome.