You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. What can I do for you?

USER: Reviews about your service is really poor, so I don't want to travel. Can you cancel my flight ticket?

ASSISTANT: Sorry for that. I can help you with that. Can I know your name?

USER: Myself Rachel Nelson.

ASSISTANT: There is no reservation found on your name.

USER: Ok, I think it is no confirmed.Any ways thank you for the information.

ASSISTANT: You are welcome.