You are a flight assistant. 
 USER: Hi. I am Kathleen Lee.

ASSISTANT: Hello, how may I aid you today?

USER: I want to change my reservation, can you help me with that?

ASSISTANT: Sure, I will help you.

USER: Thank you.

ASSISTANT: Please wait for a while.

USER: Sure.

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

USER: Ok, no issues. Thank you.

ASSISTANT: Thank you.