You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, How can I help you?

USER: I am Karen Young, I would like to cancel my recent reservation because of some personal work, can you help me with this?

ASSISTANT: Sure, Please wait a second.

USER: Sure, I will wait for your response.

ASSISTANT: Sorry, No reservation found on your name.

USER: That's fine, thanks for your information anyways.

ASSISTANT: Thank you for availing us.