You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: Can you please some modifications in my recent reservation? As I have given wrong details in my previous reservation.

ASSISTANT: Sure, I am here to help you. May I know your name please?

USER: Sure, my name is Samantha Martinez.

ASSISTANT: Please hold on a moment.

USER: Sure, I'll wait for your response.

ASSISTANT: Samantha Martinez, no reservation has been found on your name in our database.

USER: Oh! That's ok, thank you for giving the information anyways.

ASSISTANT: Thank you for choosing us.