You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: I want to change my recent reservation, can you please help me out?

ASSISTANT: Sure, I will help you. Can I have your name to check the reservation status?

USER: Myself Debra Hill.

ASSISTANT: Please, standby.

USER: Sure.

ASSISTANT: Thank you for waiting, I did not find any reservation on your name to change.

USER: That's fine, not a problem. Thank you for checking.

ASSISTANT: Thank you for approaching us.