You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. Can I know your name?

USER: I am Katherine Robinson.

ASSISTANT: How shall I help you now?

USER: Due to bad weather conditions, I need to cancel my reservation. Will you help me with it?

ASSISTANT: Sure.

USER: Thank you.

ASSISTANT: No reservation was found to cancel.

USER: It's ok, thank you for the information.

ASSISTANT: Thank you for picking us.