You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am George Green.

ASSISTANT: How may I help you?

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

ASSISTANT: Sure, please wait for a moment.

USER: Sure.

ASSISTANT: Sorry, no reservation found on your name.

USER: Thank you for your information.

ASSISTANT: Thank you for reaching us, have a nice day.