You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, How can I assist you?

USER: Will you help me in booking the flight ticket from MCO to EWR?

ASSISTANT: Sure, May I know the journey dates?

USER: My travelling dates are Aug 23 and Aug 25.

ASSISTANT: Do you have any connection limit?

USER: I need a connecting flight.

ASSISTANT: Is there any other requirements?

USER: I always prefer economy class.

ASSISTANT: May I know your name?

USER: Myself Mark Harris.

ASSISTANT: Please wait a minute.

USER: Ok, I will wait.

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

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

ASSISTANT: Thank you for opting us.