You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I help you today?

USER: Myself Daniel Smith, looking for a flight ticket to Washington DC-DCA to attend my convocation. Help book me a ticket with price under 200.

ASSISTANT: Ok, please share your travelling dates?

USER: Sure, I will depart on 04/06 and return back on 04/08.

ASSISTANT: Ok, let me know your source airport code?

USER: Sure, it's Orlando, FL-MCO.

ASSISTANT: Ok, please hold on for a moment.

USER: Sure.

ASSISTANT: I found a flight for you that UA airline with 0 connection. Can I proceed?

USER: Please don't proceed because I need a single connecting flight. Thank you.

ASSISTANT: You are welcome. Thank you for reaching us.