You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you now?

USER: Can you please book a plane ticket from MCO to PHL?

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

USER: Thank you. The dates of my journey should be July 12 and July 14.

ASSISTANT: Ok, please let me know the timings of your journey.

USER: I need a departing flight in the evening time.

ASSISTANT: Do you have any other specifications?

USER: I would like to travel in a direct flight.

ASSISTANT: Can I have your good name please?

USER: My name is Jerry Baker.

ASSISTANT: Sorry to inform you that no flight is available to you on your dates.

USER: It's ok, not a issue with that. I will choose some other alternative  to reach my destination. Anyways thank you.

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

USER: Most welcome.