You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: My name is Stephanie Moore.

ASSISTANT: How can I assist you for the day?

USER: Can you please help me in changing my reservation details?

ASSISTANT: Stephanie Moore, please wait for a moment.

USER: Ok.

ASSISTANT: Sorry to inform you Stephanie Moore, no reservation was found by your name.

USER: It's ok, thank you.

ASSISTANT: Thank you for reaching our assistance today. Have a nice day.