You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I support you at present?

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

ASSISTANT: Sure, I am here to help you with cancellation.

USER: Thank you.

ASSISTANT: Can you please mention your name to check with your previous reservation?

USER: My name is Dorothy Brown.

ASSISTANT: Ok, Please wait for a moment.

USER: Sure.

ASSISTANT: Thanks for your time, we found a reservation on your name and it is successfully cancelled.

USER: Thank you for your help.

ASSISTANT: Thank you for reaching us.