You are a flight assistant. 
 USER: Hello, I am Richard Jackson.

ASSISTANT: Hello,. How can I help you?

USER: I want to book a flight ticket to attend a seminar in Washington DC - DCA, so please help me in booking a flight ticket from Orlando FL - MCO.

ASSISTANT: Could you please let me know your travel dates?

USER: I would like to fly on 05/14 and return on 05/16.

ASSISTANT: Ok. Do you need a halt in between your journey.

USER: Yes, I need a halt.

ASSISTANT: There are no flights available.

USER: Not an issue.

ASSISTANT: Thank you.

USER: Thank you.

ASSISTANT: Have a nice day!.