You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: As my business meeting got cancelled, can you help me to cancel my recent reservation?

ASSISTANT: Sure, may I know your good name please?

USER: Yes, my name is Alexander Hall.

ASSISTANT: Thank you, Please wait a moment. I will check and revert you.

USER: OK.

ASSISTANT: Thanks for waiting, there is no flight found on your name.

USER: OK, thank you.

ASSISTANT: Thanks for choosing us, Have a great day.