You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, how can I help you today? May I have your name please?

USER: I am Debra Martinez and I want to cancel my recent reservation.

ASSISTANT: Please wait for sometime, I will check and get back to you.

USER: OK.

ASSISTANT: No reservation found on your name. Thank you for choosing us.

USER: OK, Thank you.