You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: Due due climatic condition, I want to cancel my reservation.Can you please help me in cancellation? My name is Ruth Nelson.

ASSISTANT: Sure, wait a moment Ruth Nelson. Sorry, there is no reservation found with your name.

USER: That's ok. Thank you for your help.

ASSISTANT: Thank you for reaching us.