You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I assist you?

USER: I would like to cancel my flight reservation as I am unwell, can you please help me?

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

USER: Thank you.

ASSISTANT: May I know your name please?

USER: I am Alexander Thomas.

ASSISTANT: Please hold on a moment.

USER: Sure.

ASSISTANT: Alexander Thomas, no reservation has been found on your name in our database.

USER: Not an issue. Anyway, thank you for the information.

ASSISTANT: Thank you for choosing us.