You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, how can I help you?

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

ASSISTANT: Sure, I will help you.

USER: Thank you.

ASSISTANT: May I know your name to track your details?

USER: Susan Smith.

ASSISTANT: Ok, just wait a moment.

USER: Sure.

ASSISTANT: Susan Smith, I have found a reservation on your name. Are you sure to cancel?

USER: Ok, please cancel it.

ASSISTANT: I have cancelled your reservation successfully.

USER: Thank you.

ASSISTANT: Thank you for spending your valuable time with us.