You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: I want to cancel my recent reservation, Can you please help me in that?

ASSISTANT: Sure, I am here to help you. May I know your name please to check your reservation status?

USER: My name is Donna Walker.

ASSISTANT: Please wait a moment.

USER: Sure.

ASSISTANT: Donna walker, no reservation has been found on your name in our records.

USER: Ok, that's not a problem. Thanks for your information.

ASSISTANT: Thank you for reaching us.