You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Jeffrey Miller.

ASSISTANT: Miller, how may I help you?

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

ASSISTANT: Sure, please give me a moment to check your ticket status. Sorry, no reservation is available by your name.

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

ASSISTANT: Thank you for approaching us.