You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: Nicole Smith here.

ASSISTANT: How may I help you now?

USER: Can you cancel my flight ticket reservation?

ASSISTANT: Sure, I will cancel you reservation, please be on hold.

USER: Ok. Not a problem.

ASSISTANT: May I know your name please.

USER: It is already given.

ASSISTANT: Sorry Nicole Smith, There is no reservation found on your name.

USER: Not a problem. Thank you.

ASSISTANT: Thank you for reaching us.