You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you today?

USER: I want to cancel my recent reservation due to cancel of my event. Could you please help me?

ASSISTANT: Sure, we are here to help you. Can I have your name to proceed further?

USER: Sure, I am Michael Wright.

ASSISTANT: Ok, please wait a moment.

USER: Sure.

ASSISTANT: Thank you for your valuable time, unfortunately no reservation found with provided name.

USER: No worries, thank you for the information.

ASSISTANT: Thank you for availing us.