You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I help you today?

USER: I am scheduled to attend an emergency meeting with my manager so, I need to cancel my trip. Can you please cancel my reservation?

ASSISTANT: Can I know your name please?

USER: Pamela Moore is my name.

ASSISTANT: Please wait for a while, I will check and revert to you.

USER: OK.

ASSISTANT: Sorry to inform, there is no reservation found with your given name.

USER: Ok, not at all a problem. Thank you.

ASSISTANT: Thank you for reaching us help.