You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Larry Miller.

ASSISTANT: How may I assist you today?

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

ASSISTANT: Sure, we are here to help you.

USER: Thank you.

ASSISTANT: Please wait a minute.

USER: Sure.

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

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

ASSISTANT: Thank you for reaching us.