You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I be your helping hand today?

USER: Can you please help me to change my reservation?

ASSISTANT: Sure, I am here to help you to change your reservation. Can you please share your good name please?

USER: Thank you, my name is Anthony White.

ASSISTANT: Thanks for providing your name, please wait for sometime.

USER: Sure.

ASSISTANT: Thanks for your time, there was no reservation found on your name to change it.

USER: Ok, not a problem. Thank you.

ASSISTANT: Thank you for approaching us.