You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Elizabeth Moore.

ASSISTANT: Moore, how may I assist you?

USER: Can you help me in cancelling my recent reservation, as my meeting got postponed?

ASSISTANT: Sure, I will do that for you. Please wait, let me check your reservation status in our database.

USER: Sure.

ASSISTANT: Moore, I did not find any reservation under your name in our database.

USER: That's ok, thank you.

ASSISTANT: You are welcome and thank you for choosing us.