You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello. How can I help you?

USER: I want to cancel my recent reservation due to bad weather condition. Can you be my helping hand?

ASSISTANT: Sure, may I know your name please?

USER: I am Kathleen Roberts.

ASSISTANT: Ok, please wait for a moment.

USER: Ok.

ASSISTANT: Thanks for waiting. Sorry, there is no reservation found with your name.

USER: That's ok, not an issue. Thank you for your assistance.

ASSISTANT: Thank you.