You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you?

USER: As my meeting got postponed at Austin, can you please help me in changing my existing reservation to Austin?

ASSISTANT: Sure, may I know your name to check for the reservation status?

USER: My previous reservation has done with the name Scott Clark.

ASSISTANT: Please wait for some time, I will check for your reservation status.

USER: Sure, take your own time.

ASSISTANT: Thank you for waiting. Sorry, we didn't found any active reservation on your name in our database to amend it.

USER: Ok, not an issue. Thank you for providing information.

ASSISTANT: Thank you for reaching us with a query.