You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: I need to amend my reservation, can you help me out?

ASSISTANT: Sure, I am here to help you with that. Can you please tell me your name?

USER: Myself Edward Lee.

ASSISTANT: Please hold on for a while.

USER: Ok, I will be on hold.

ASSISTANT: Sorry,  no reservation found on your name.

USER: That's ok, not an issue. Thank you for your information.

ASSISTANT: Thank you for opting us, have a nice day.