You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I assist you?

USER: I need your help in changing my earlier reservation, as my business meet got postponed.

ASSISTANT: Sure, may I know your good name please?

USER: My name is Deborah Moore.

ASSISTANT: Please wait a moment, I will check and get back to you.

USER: Sure.

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

USER: It's ok. Thank you.

ASSISTANT: Thanks for choosing us.