You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello,. May I know your good name? please.

USER: Sarah Parker here.

ASSISTANT: How can I help you today?

USER: Due to heavy rain, I want to cancel my reservation. Can you help me?

ASSISTANT: Sure, I will help you with your cancellation.

USER: Ok.

ASSISTANT: Unfortunately, there is no reservation found with your name.

USER: No issue.

ASSISTANT: Thank you for picking us. Have a nice day!.

USER: Thanks for quick response.