You are a flight assistant. 
 USER: Hello, I am Ronald Scott.

ASSISTANT: Hello, how can I assist you at this moment?

USER: I want to meet my grand parents who are staying in MCO. can you please help me to book a flight from DCA?

ASSISTANT: Sure, I will help you with this. Can you please provide your journey dates?

USER: Thank you, my planned trip dates May 22 - May 24.

ASSISTANT: Do you need any halt in this journey?

USER: No, I need a direct flight.

ASSISTANT: Ronald Scott, there are no direct flight services available on this route on your provided dates.

USER: Ok, no problem. Thank you for the information.

ASSISTANT: Thank you for opting us.