You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you today?

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

ASSISTANT: Ok, I will help you with that.

USER: Thank you.

ASSISTANT: May I know your name?

USER: My name is Brenda Robinson.

ASSISTANT: Ok, wait for a minute.

USER: Sure.

ASSISTANT: I have found your reservation and it is successfully cancelled.

USER: Thank you for your help.

ASSISTANT: Thank you for reaching us.