You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you for the day?

USER: Due to some technical issues, my meeting place has been changed. Can you please change my existing reservation?

ASSISTANT: Sure, we are ready to help you. May I know your name please?

USER: Sure, I am Rebecca Edwards.

ASSISTANT: Thanks for your name, wait for a while.

USER: Sure.

ASSISTANT: Thank you for waiting, no reservation was found based on your name to change.

USER: Ok, Thank you for your help.

ASSISTANT: Thank you for choosing us.