You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, How can I assist you?

USER: Can you please help me in booking a flight ticket from Orlando, MCO to Washington, DCA?

ASSISTANT: Sure, May I know the travelling dates?

USER: My journey dates are from July 27 to July 29.

ASSISTANT: Do you have any connection limit?

USER: I need a connection in between journey.

ASSISTANT: Is there any other requirements?

USER: I prefer only business class flight.

ASSISTANT: May I know your name?

USER: My name is Larry Thompson.

ASSISTANT: Please wait a minute.

USER: Sure.

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

USER: Ok, that's not a problem. Thanks for your information.

ASSISTANT: Thank you for availing us.