You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Justin King.

ASSISTANT: How may I help you?

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

ASSISTANT: Sure, I will help you. Please, wait a minute.

USER: Sure, take your time.

ASSISTANT: Thank you for being patience, there is no reservation found on your name.

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

ASSISTANT: Thank you for approaching us.