You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I be at your service today?

USER: My board meeting has been postponed, I want to change my existing reservation. Can you please help me with this?

ASSISTANT: Sure, we are here to help you. Could you please provide your name to check your reservation status?

USER: Sure, I am Kimberly Wright.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

ASSISTANT: Sorry, we did not find any reservation on your name.

USER: Ok, Thank you for providing information.

ASSISTANT: Thank you for approaching us.