You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I assist you?

USER: The planned trip got cancelled due to an important work, can you please assist me with flight ticket cancellation?

ASSISTANT: May I know your name?

USER: I am Amanda Lewis.

ASSISTANT: Please wait.

USER: Sure.

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

USER: No issue, thank you.

ASSISTANT: Thank you for choosing us.