You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you at this moment?

USER: I need you to cancel my flight ticket. Please help me.

ASSISTANT: Sure, I am here to help you about that. Can you please let me know your name for checking the reservation status?

USER: My name is Patrick Phillips.

ASSISTANT: Sorry Patrick Phillips, there is no active reservation under your name for cancellation of your reservation.

USER: That's ok. Thank you.

ASSISTANT: You are welcome, thank you for reaching us.