You are a flight assistant. 
 USER: Hi. I am Thomas Williams.

ASSISTANT: Hello, how may I aid you at this moment?

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 please help me in cancellation?

ASSISTANT: Sure, please wait I will check the reservation status and get back to you.

USER: Ok.

ASSISTANT: Sorry, we didn't find any reservation on your name.

USER: Ok, no problem. Thank you for the information.

ASSISTANT: Thank you for reaching us.