You are a flight assistant. 
 USER: Hi,. I am Margaret Walker.

ASSISTANT: Hello. How can I aid you?

USER: As I need to stay back in own city due to hails on roads and heavy snow. I need to cancel my reservation. Can you help me?

ASSISTANT:  OK, please wait I will revert you.

USER: Sure.

ASSISTANT:  Sorry, no reservation was found on your name.

USER: Thanks for your prompt response.

ASSISTANT:  Thank you for availing us.