You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, How can I assist you?

USER: I am looking to reserve a plane ticket under the name Kimberley Johnson. Can you please help me to do that?

ASSISTANT: Sure, May I know the travelling dates?

USER: Thank you. My preferable travel dates are May 27 and May 29.

ASSISTANT: Please help me with your journey codes.

USER: The source and destination airport codes are AUS and DCA.

ASSISTANT: Do you have any connection limit?

USER: I prefer a connecting flight for my journey.

ASSISTANT: Sorry, No flights found with your chosen dates.

USER: It's ok, not a problem with that. Anyways thank you for your time.

ASSISTANT: Thank you for opting us.

USER: Most welcome.