You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, what kind of assistance are you looking for?

USER: I want to change my recent reservation. Can you help me out?

ASSISTANT: Sure, will you please let me know on what name your reservation was made formerly?

USER: I am Paul Miller.

ASSISTANT: Ok, please allow me a minute to check the reservation status and get back to you with an update.

USER: Ok, take your time.

ASSISTANT: Thanks for waiting, I have gone through the list but could not find any reservation active by your name in our data base.

USER: That's ok. Anyways, thank you.

ASSISTANT: Thank you for approaching us.