You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: I am Elizabeth Scott, I want to cancel my flight ticket, can you help me to do that?

ASSISTANT: Sure please give me a moment.

USER: Ok.

ASSISTANT: We are very sorry to notify, there is no reservation found on your given name.

USER: Thank you for helping me.

ASSISTANT: Thank you for availing us.