You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I aid you?

USER: I need to cancel my reservation, can you help me out?

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

USER: Myself Ruth Walker.

ASSISTANT: Please give me a moment to check your reservation status.

USER: Sure.

ASSISTANT: Sorry, there is no reservation found on your name in our records.

USER: That's ok, thank you.

ASSISTANT: Thank you for approaching us.