You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I aid you today?

USER: Can you please help me in cancelling my reservation?

ASSISTANT: Sure, please share me your good name.

USER: I am Ruth Carter.

ASSISTANT: Please wait a minute.

USER: Ok.

ASSISTANT: Sorry, there is no reservation found on your name to cancel.

USER: Ok, no problem. Thank you.

ASSISTANT: Thank you for opting us.