You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: I want to cancel my reservation, so please help me in the cancellation.

ASSISTANT: May I know your name?

USER: Myself Margaret Gonzalez.

ASSISTANT: Ok, please wait.

USER: Ok.

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

USER: Thank you.

ASSISTANT: Thanks for reaching us.