You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I assist you?

USER: I am Jonathan Wilson. Can you please help me in changing my recent reservation?

ASSISTANT: Sure, I will help you. Please wait a moment. I will check your reservation status.

USER: Ok, sure.

ASSISTANT: Jonathan, no reservation has been found on your name in our records.

USER: Ok, fine thank you for checking.

ASSISTANT: Thank you for choosing us.