You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Myself Amy Baker, can you modify my existing reservation I did a week ago?

ASSISTANT: Sure, I am here to help you. Let me check your reservation status in our database.

USER: Ok, not a problem. Take you own time.

ASSISTANT: Amy sorry to say you, no reservation is found on your name in our records.

USER: That's ok, thank you for assisting me.

ASSISTANT: You are most welcome.