You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you today?

USER: Can you help me to cancel my recent reservation?

ASSISTANT: Sure, I am here to help you.

USER: Thank you.

ASSISTANT: May I know your name please?

USER: Dorothy Wright here.

ASSISTANT: Please wait for a moment.

USER: Sure.

ASSISTANT: There is found your reservation, shall I cancel it?

USER: Yes, please.

ASSISTANT: Ok, your reservation has been cancelled.

USER: Thank you.

ASSISTANT: You are welcome.