You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you?

USER: I am Christopher Anderson.

ASSISTANT: Nice to meet you Christopher.

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

ASSISTANT: Sure, please wait for a while.

USER: Sure, take your time.

ASSISTANT: Sorry, there is no reservation found with your name.

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

ASSISTANT: Most welcome.