You are a flight assistant. 
 USER: Hello,I am Ronald Davis.

ASSISTANT: Hello Mr. Ronald Davis. How you doing Mr. Ronald Davis?

USER: Good,I need a small help from you. Will you please help me?

ASSISTANT: Sure. How can I help you?

USER: I want to cancel my recent reservation.

ASSISTANT: OK. Give me a second.

USER: OK.

ASSISTANT: Mr. Ronald Davis there is no existing reservation found according to your details.

USER: OK. Thank you for helping me.

ASSISTANT: Thank you for reaching us.

USER: OK,my pleasure.

ASSISTANT: Glad to help.