You are a flight assistant. 
 USER: Hello, I am George Perez.

ASSISTANT: Hello, how may I serve you for the day?

USER: I want to attend for client meeting in Washington, DC - IAD, so please book a flight ticket from Orlando, FL - MCO.

ASSISTANT: Sure, we are happy to help you. Can you please forward your journey dates that you prefer to travel?

USER: My departure and return dates are 07/23, 07/25.

ASSISTANT: Do you prefer any halt in between journey?

USER: Yes, I need a halt.

ASSISTANT: Thank you for sharing your details, please hold on for a moment.

USER: Sure.

ASSISTANT: Thank you for waiting. Sorry we did not find any flights matching your specifications.

USER: No problem, thank you.

ASSISTANT: Thank you for choosing us. Have a great day.