You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: My name is Ryan Parker. I need to cancel my reservation, which is done recently. Can you please help me out?

ASSISTANT: Sure, I will help you.

USER: Thank you for considering my request.

ASSISTANT: Let me check the reservation list and I will inform you reservation is there or not.

USER: Ok, I will wait for you information.

ASSISTANT: Sorry there is no reservation on your name.

USER: Not a problem, anyway thank you for the information.

ASSISTANT: Thank you.

USER: Thank you for your kind assistance.