You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Anna Hill.

ASSISTANT: How may I help you?

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

ASSISTANT: Sure, give me a moment.

USER: Sure, take your time.

ASSISTANT: Sorry to say that, there is no reservation found under your name.

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

ASSISTANT: Thank you for choosing us.