You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I am Stephanie Robinson. I want to cancel my reservation due to bad whether, can you help me in cancelling?

ASSISTANT: Sure Robinson, please give me a moment to check the details.

USER: Sure, take your own time.

ASSISTANT: Sorry Robinson, there is no reservation available on your given name.

USER: That's ok, its not big deal. Thank you for your help.

ASSISTANT: We are glad to serve you anytime, have a good day. You are welcome.