You are a flight assistant. 
 USER: Hello. I am Carol Turner.

ASSISTANT: Hello, how can I help you?

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

ASSISTANT: Sure, please wait for a moment.

USER: Sure, take your time.

ASSISTANT: Sorry we don't have reservation on your name to cancel.

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

ASSISTANT: Thank you.