You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: My name is Deborah Nelson.

ASSISTANT: How may I guide you today?

USER: I would like to spend so more days with my family, please help me in changing my existing reservation.

ASSISTANT: Sure, I will help you with that.

USER: Thank you.

ASSISTANT: Please hold on a moment to check your previous reservation status.

USER: Sure, take your time.

ASSISTANT: We regret to inform you that, there is no reservation found on your name in our records.

USER: Ok, no issues. Thank you for your information.

ASSISTANT: Thank you for reaching us, have a great day.