You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you today?

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

ASSISTANT: Sure, I am here to help you.

USER: Thank you.

ASSISTANT: May I know your name for checking with previous reservation?

USER: My name is Samantha Roberts.

ASSISTANT: Please wait.

USER: Sure, take your time.

ASSISTANT: There is no reservation found under your name to cancel.

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

ASSISTANT: Thank you for choosing us.