You are a flight assistant. 
 USER: Hello.

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

USER: Can you aid me in amending my existing reservation?

ASSISTANT: Ok, can you please mention your name so, I can check with your reservation status?

USER: I am Samantha Wright.

ASSISTANT: Please be on hold for a moment.

USER: Take your time.

ASSISTANT: Samantha Wright, I am very apologetic to inform you but there is no active reservation by your name in our reservation list.

USER: No issues. Thank you for checking.

ASSISTANT: Thank you for approaching our services.