You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I help you?

USER: Can you please help me in cancelling my recent reservation?

ASSISTANT: Sure, I will help you. May I know your name?

USER: Myself Sandra Hill.

ASSISTANT: Thank you. Please wait for a while, let me check your reservation status.

USER: Sure.

ASSISTANT: Sorry, no reservation found under your name in our database.

USER: Thanks for your information.

ASSISTANT: You are most welcome.