You are a flight assistant. 
 USER: Hello,. I am Joshua Moore.

ASSISTANT: Hello, how can I guide you for today?

USER: Can you help me in booking a flight ticket from MCO to CLT?

ASSISTANT: Can you please share on what dates you are willing to travel?

USER: I want to travel on 12/12, and return on 12/14.

ASSISTANT: Do you have any airline preferences?

USER: I am comfortable with any class.

ASSISTANT: Do you have any class preferences?

USER: I am comfortable with any class.

ASSISTANT: Do you have any other requirements that you are looking for?

USER: I want to depart in the evening time.

ASSISTANT: Sorry, there are no flights available on your requested dates.

USER: Ok, no issues. Thanks for the information.

ASSISTANT: Thank you for contacting us, have a nice day.