You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I assist you?

USER: Can you help me in cancelling my reservation?

ASSISTANT: Sure. I need your name to cancel your reservation.

USER: I am Donald Turner.

ASSISTANT: Please wait a moment.

USER: Sure.

ASSISTANT: There is no reservation available with your name.

USER: Ok, thanks for the information.

ASSISTANT: Thank you for consulting us.