You are a flight assistant. 
 USER: Hello, I am Donald Williams.

ASSISTANT: Hello, how may I help you today?

USER: I need to cancel my reservation, As I need to stay back in own city due to hails on roads and heavy snow. so can you help me out with cancellation?

ASSISTANT: Sure, we are here to help you with cancellation.

USER: Thank you.

ASSISTANT: Please be on hold, I will check the status of your reservation and let you know.

USER: Ok.

ASSISTANT: Thanks for being hold, we did not find any reservation based on your name.

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

ASSISTANT: Thank you for approaching us.