You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I aid you today?

USER: Can you please help me in changing my recent reservation?

ASSISTANT: Sure, I am here to help you out. Please provide me your name to check whether any active reservation is found on your name or not?

USER: Sure, My name is Kevin Moore.

ASSISTANT:  Kevin Moore, please allow me a moment.

USER: Sure.

ASSISTANT: Sorry Kevin Moore, I got a result by fetching your name in reservation changing panel that is " No reservation Found for this user". Its means that the reservation is in inactive mood.

USER: Ok, No issues. Thank you.

ASSISTANT: Thank you for reaching us.