You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Emily Edwards.

ASSISTANT: How can I help you at this moment?

USER: Can you please be my helping hand in changing my existing reservation?

ASSISTANT: Sure, I will help you in changing your reservation.

USER: Thank you.

ASSISTANT: Just give a moment.

USER: Sure.

ASSISTANT: Sorry to inform this, there is no reservation on your name in our records.

USER: No issues, thank you for your information.

ASSISTANT: Thank you for opting us.