You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you today?

USER: Myself Matthew Smith. I need you to cancel my recent booking.

ASSISTANT: Sure, we are here to help you.

USER: Good to know that.

ASSISTANT:  Sorry, no reservation found on your name to cancel.

USER: That's ok. Thank you.

ASSISTANT: Welcome, thank you for reaching us.