You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you at this moment?

USER: I am Ronald Hall, want to cancel my recent reservation due to some personal issue. Please help me out with that.

ASSISTANT: Sure, I will assist you with that. Please wait a moment, I will check your previous reservation status.

USER: Ok, take your time.

ASSISTANT: There is no previous reservation available under your name.

USER: It's ok, thank you for your help.

ASSISTANT: Thank you for contacting us.