You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: I need to cancel my recent reservation, can you please help me?

ASSISTANT: Sure, I will help you to cancel your reservation. Please share me your name.

USER: Myself Joseph Hall.

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

USER: That's ok, thank you for the information.

ASSISTANT: Welcome, have a nice day.