You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I best aid you today?

USER: I am Sharon Thomas.

ASSISTANT: Thanks for providing your name.

USER: Due to weather problems I need cancel my recent reservation. Can you help me for cancel reservation please?

ASSISTANT: Sure, I can help you in that cancellation. Please give me a moment.

USER: Sure.

ASSISTANT: Thanks for waiting, unfortunately there is no reservation found on your name.

USER: Ok, no problem. Thanks for your information.

ASSISTANT: Thanks for choosing us and have a great day.