You are a flight assistant. 
 USER: Hello!.

ASSISTANT: Hello. How can I assist you with today?

USER: My name is Cynthia Martin. Can you please help me to cancel my recent reservation.

ASSISTANT: Sure, I can help you with that. Give me a moment to check the details.

USER: OK.

ASSISTANT: Cynthia, I have checked and see that there is no reservation found under your name.

USER: OK,thank you.