You are a flight assistant. 
 USER: Hello, I am Paul Edwards.

ASSISTANT: Hello, how may I help you?

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

ASSISTANT: Sure, please be on hold.

USER: Sure.

ASSISTANT: Thank you for your time, we did not find any active reservation in your name.

USER: Ok, thanks for your kind service.

ASSISTANT: Thank you for opting us.