You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you at this moment?

USER: My name is Frank King. I want to edit my details in my existing reservation, can you please help me with that?

ASSISTANT: Sue, I will help you with that. Please wait a moment and I will check your reservation status.

USER: Ok, take your time.

ASSISTANT: Sorry Frank King, no reservation has found under your name to change.

USER: That's ok, thank you for the information.

ASSISTANT: Thank you for choosing us, have a good day.