You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: Myself Margaret Davis. I have reserved a flight ticket with 1 connection but the purpose of the trip is very urgent so I need the direct flight.

ASSISTANT: Ok, may I know your travelling dates for this journey?

USER: Can you please help me in changing my reservation?

ASSISTANT: Ok, wait for a moment.

USER: Ok.

ASSISTANT: Margaret Davis, no reservation was found by your name. Sorry for the inconvenience.

USER: Really, it's ok. Thank you for the information.

ASSISTANT: Have a nice day Margaret Davis.