You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how best I can serve you at this moment?

USER: I would like to change my reservation , can you please help me out with that?

ASSISTANT: Sure, we can help you with that.

USER: Thank you.

ASSISTANT: Please share your name to check your reservation status.

USER: Myself Ashley Taylor.

ASSISTANT: Ok, please be on hold.

USER: Sure, take your time.

ASSISTANT: Sorry, we could not find any reservation with your name.

USER: Ok, no problem. Thank you for checking out.

ASSISTANT: Thank you for approaching us.