You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: I want to cancel my recent reseravtaion. Can you please help me out?

ASSISTANT: Sure, I will help you.

USER: Thank you.

ASSISTANT: May I know your name please to check your reservation status?

USER: Sure, my name is Helen Jackson.

ASSISTANT: Please wait a moment.

USER: Sure, take your time.

ASSISTANT: Helen, no reservation has been found on your name in our database.

USER: Ok, no problem.

ASSISTANT: Thank you for reaching us.

USER: Thank you for your information.