You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I assist you today?

USER: Can you please cancel my reservation, can you please help me with this?

ASSISTANT: Sure, may I know your name for the cancellation process?

USER: Thank you for accepting my request, Margaret Jackson here.

ASSISTANT: Thank you, please wait for a moment.

USER: Sure.

ASSISTANT: Sorry, we couldn't find a reservation on your name to cancel.

USER: It's ok, thank you.

ASSISTANT: Welcome, thank you for reaching us.