You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Ronald Young here.

ASSISTANT: How may I assist you?

USER: Can you please check with my previous reservation status now? As I need to change my reservation.

ASSISTANT: Sure, I am here to help you.

USER: Thank you for your positive response.

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

USER: Take your time.

ASSISTANT: Ronald Young, no reservation has been found on your name in our database.

USER: Oh! That's very disappointing to know from your side. Anyways, thank you for checking.

ASSISTANT: Thank you for approaching us.

USER: You are most welcome.