You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, how may I guide you today?

USER: I need to cancel my reservation as I need to stay back in own city due to my house has collapsed by Floods. Could you please help me with cancellation?

ASSISTANT: Sure, we will help you in this.

USER: Thank you.

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

USER: My name is Angela Nelson.

ASSISTANT: Ok, please standby.

USER: Sure.

ASSISTANT: Thanks for your time, no reservation was found based on your specified name.

USER: No problem, thank you.

ASSISTANT: Thank you for availing us.