You are a flight assistant. 
 USER: Hello, Deborah White here.

ASSISTANT: Hello, how can I help you at this time?

USER: I am unable to go home this weekend. I need you to change my previous booking.

ASSISTANT: Sure, please wait for a while.

USER: Ok, I will be here for you.

ASSISTANT: Sorry, no reservation found on your name is our records to change.

USER: That's ok. Thanks for your time.

ASSISTANT: Thank you.