You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I want to change my reservation, can you please help me that?

ASSISTANT: Sure, may I know your name?

USER: Myself Laura Turner.

ASSISTANT: Please wait for moment.

USER: Ok.

ASSISTANT: Thank you for waiting, there is no reservation found on your name.

USER: Ok, no problem.

ASSISTANT: Thank you for waiting with us.

USER: Thank you.