You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: My name is Emily Robinson.

ASSISTANT: Glad to meet you Emily. How can I assist you at this moment?

USER: Can you help me in cancelling, due to an emergency.

ASSISTANT: Sure, I will help you with cancelling your reservation.

USER: Thank you.

ASSISTANT: Please wait a moment and I will inform you very soon.

USER: OK.

ASSISTANT: Thank you for waiting. Sorry Emily, there is no reservation found under your name to cancel.

USER: That's ok, I think my father may be cancelled my  reservation.

ASSISTANT: May be.

USER: Yes, thank you for checking.

ASSISTANT: My pleasure. Thank you for choosing us.

USER: Welcome.