You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you today?

USER: I'm Frank Johnson. I would like to change my reservation which is under your name. Can you please help me with that?

ASSISTANT: Sure, I can aid you with that. Please wait a moment, I will check your previous reservation status. There is no previous reservation found under your name.

USER: Ok, no issues. Thank you for checking.

ASSISTANT: Thank you for reaching us, have a good day Frank Johnson.

USER: You are welcome.