You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: Can you please help me with cancelling my existing reservation?

ASSISTANT: Sure, I am here to help you with that.

USER: Thank you.

ASSISTANT: Can you please share me your name?

USER: My name is Emily Nelson.

ASSISTANT: Please wait a moment.

USER: Sure.

ASSISTANT: Sorry, no reservation found on your name to cancel  your reservation.

USER: Oh! That's sad to know. Thank you for checking anyways.

ASSISTANT: Thank you for reaching us, have a nice day.

USER: Most welcome.