You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I guide you now?

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

ASSISTANT: Ok, may I know your good name to check with your previous reservation?

USER: My name is Ruth Thomas.

ASSISTANT: Ruth Thomas, please wait for a moment.

USER: Sure.

ASSISTANT: Sorry to say, there is no active reservation found by your name in the reservation list.

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

ASSISTANT: Thank you for approaching our services.