You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

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

ASSISTANT: Sure, I will help you. Please be on hold for a while, I will check your reservation status and get back to you.

USER: Sure, take your time.

ASSISTANT: John Carter, I did not find any reservation under your name in our database.

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

ASSISTANT: You are welcome and thank you for reaching us.