You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I aid you today?

USER: I am looking to cancel my recent reservation because  I am unable to catch the flight. Can you please help me to do that?

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

USER: Thank you for accepting my request.

ASSISTANT: May I know your name?

USER: My name is Ashley Lewis.

ASSISTANT: Sorry to inform you that, there is no reservation found on your name in our database.

USER: That's not a problem for me, thank you for your valuable time.

ASSISTANT: Thank you for approaching us.

USER: You are welcome.