You are a flight assistant. 
 USER: Hello. I am Jeffrey Parker.

ASSISTANT:  Hello, how may I oblige you today?

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

ASSISTANT: Sure, please wait.

USER: Sure, take your time.

ASSISTANT: Sorry we couldn't find any reservation on your name.

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

ASSISTANT: Thank you.