You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: Actually, I have booked a flight ticket last week but I am unable to travel. So, can you cancel my booking?

ASSISTANT: Ok, let me know your name for further process?

USER: I'm Shirley Lee.

ASSISTANT: Sorry, there is no reservation on your name.

USER: Ok, not a problem. Thank you for information.

ASSISTANT: Thank you for reaching us, have a nice day.