You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you at this moment?

USER: Can you please assist me with flight ticket booking from ORD to MCO locations to meet my sister in my holidays?

ASSISTANT: Sure, I am happy to help you with that. Can I have your travel dates please?

USER: Thank you for considering my request and my travel dates are 4th of Aug and return back on 6th of Aug.

ASSISTANT: Ok, please let me know your preferable airlines.

USER: I don't need any particular airlines.

ASSISTANT: Do you prefer any particular class to travel?

USER: I am ok with any class flight for this journey.

ASSISTANT: Ok, please let me know your preferable connections.

USER: I need a single land over in my journey.

ASSISTANT: Do you planned any particular timings to travel?

USER: Please check the flight which will return back in the evening time.

ASSISTANT: Can I have your good name please to proceed further?

USER: Sure, I am Gary Edwards.

ASSISTANT: Ok, please wait a moment.

USER: Sure, I can wait. Take your time.

ASSISTANT: Sorry Gary Edwards, no flight is available to you on your dates.

USER: Very sad to hear that one, I can travel with any other source. Thank you for your information.

ASSISTANT: Thank you for choosing us, have a good day.