You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you today?

USER: Owing an emergency, I want to cancel my reservation. Can you help me for that?

ASSISTANT: Sure, I am here to help you with this.

USER: Thank you.

ASSISTANT: May I know your name please?

USER: My name is Ruth Martin.

ASSISTANT: Sorry Ruth, there is no reservation found as per your name to cancel it.

USER: That's ok, thank you for checking.

ASSISTANT: You are welcome always.