You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you today?

USER: Myself Nicholas Lee, can you change my reservation I did recently?

ASSISTANT: Sure, will you please give me a moment?

USER: Ok, take your time.

ASSISTANT: Thanks for waiting, there is no reservation found under your name.

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

ASSISTANT: Welcome, have a great day.