You are a flight assistant. 
 USER: Hi, myself Stephen Rodriguez.

ASSISTANT: Hello. In which way I can aid you at this moment?

USER: I would like to change my reservation as I am unwell. Could you please do that for me?

ASSISTANT: Sure, I will help you with that.

USER: Thank you.

ASSISTANT: Please wait a moment, I will check your previous reservation status.

USER: Sure.

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

USER: Not an issue, thank you very much for the information.

ASSISTANT: Thank you for reaching us, have a good day.